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Top 10June 2025

Best Waterproof Mattress Topper California King

We made a list of the top 10 Waterproof Mattress Topper California King based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

Bedsure California King Mattress Protector Waterproof - Quilted Fitted Cal King Mattress Pad Topper with 8-21 Inches Deep Pocket, Soft Bed Cover Padded, Machine Washable, White,72x84 Inches

Bedsure California King Mattress Protector Waterproof - Quilted Fitted Cal King Mattress Pad Topper with 8-21 Inches Deep Pocket, Soft Bed Cover Padded, Machine Washable, White,72x84 Inches

✓COMPREHENSIVE LAYERED DESIGN: Our california king mattress protector features a five-layer structure including a specialized waterproof layer. The innovative design offers superior protection against spills and accidents, ensuring your mattress stays dry and clean.
✓WATERPROOF BUT BREATHABLE AND SOFT: The TPU waterproof layer is not only effective at protecting your mattress but also maintains breathability and softness. This ensures a comfortable sleep environment, keeping you cool and comfortable all night long.
✓THREE-ZONE ERGONOMIC DESIGN: This waterproof cal king mattress pad, with 408g Blendtek fiber filling, provides just-right support for perfect comfort and body alignment, catering to your unique needs.
✓EASY TO USE AND SECURE FIT: Designed with convenience in mind, this mattress pad features a deep 21-inch pocket and a 4cm elastic band for a snug fit. The strong elastic ensures the pad stays in place, preventing any slip or shift.
✓WASH&CARE TIPS: Our cal king mattress protector is easy to care for – simply machine wash and dry. For better drying results, position the top layer outward and ensure the waterproof layer faces inward. This makes it a practical choice for everyday use. Dreams Protected, Sleep Perfected.

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GRT California King Mattress Protector Waterproof, 100% Waterproof Quilted Fitted Mattress Pad, Noiseless Hollow Cotton Mattress Cover, fits up to 21" Deep, Dust Proof White

GRT California King Mattress Protector Waterproof, 100% Waterproof Quilted Fitted Mattress Pad, Noiseless Hollow Cotton Mattress Cover, fits up to 21" Deep, Dust Proof White

✓OEKO CERTIFIED: GRT cal king mattress protector waterproof certified standard 100 by OEKO-TEX, it does not contain any harmful substances or chemicals, keeping you and your family safe.
✓100% WATERPROOF MATTRESS PROTECTOR: Our california king mattress pad lined by premium water-resistant TPU membrane backing, which protects your pricey mattress against sweat, urine and other fluid spills with its exclusive membrane layer. No more embarrassment and frustration when accidents happen.
✓COMFORTABLE MATTRESS PAD: Unlike most counterparts, this quilted fitted cal king waterproof mattress pad is much more breathable and fluffy to create a natural sleep environment with exquisite soft touching feeling, massaging away your stress and fatigue to help you drift into sweet dreams quietly and comfortably.
✓SAFE BED PAD COVER: The cal king mattress protector safeguards your mattress against fluids, urine and perspiration, providing a cleaner and more comfortable environment for you and your family. The cal king mattress protector waterproof is vinyl-free and ideal for children and the elderly.
✓MACHINE WASHABLE: Cleaning this california king mattress cover is no longer a pain. This mattress protector california king is designed for hassle-free, easy cleaning. Cleaning the pad is a simple task, machine wash the california king waterproof mattress protector under gentle cycle and dry it in the sun/a drier in the lowest temp mode.

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SafeRest Waterproof California King Size Mattress Protector - Fitted with Stretchable Pockets - Machine Washable Cotton Mattress Cover for Bed

SafeRest Waterproof California King Size Mattress Protector - Fitted with Stretchable Pockets - Machine Washable Cotton Mattress Cover for Bed

✓KEEP YOUR MATTRESS DRY - Helps protect against fluids, urine, perspiration and anything else that might stain your mattress!
✓QUIET & BREATHABLE - Quiet breathable california king mattress protector that will allow a full night sleep while protecting your mattress
✓PROTECT YOUR MATTRESS - Perfectly fitted california king mattress cover that protects against unwanted creatures
✓BEDDING ESSENTIALS - Airbnb Essentials for Hosts, Essential for first home and/or new apartment
✓MACHINE WASHABLE - Machine washable on cold and tumble dry once cleaned

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10% Discount

WhatsBedding Waterproof Mattress Pad Cal-King Size Cotton Top Down Alternative Filling Pillowtop Mattress Topper Cover-Fitted Quilted White (Waterproof California King)

WhatsBedding Waterproof Mattress Pad Cal-King Size Cotton Top Down Alternative Filling Pillowtop Mattress Topper Cover-Fitted Quilted White (Waterproof California King)

✓【Anti-slip Cal-King Bed Mattress pillow top】 Ultimate Comfortable Breathable, Noiseless Mattress Pad: cotton top TPU waterproof material bottom,16 inches deep pocket fit 8-21" mattress California King: 72"x84"+16"(Pocket Deep) mattress pad
✓【Water Proof Cal-King Mattress Cover】 60% cotton pillow top (The surface is not waterproof, the reverse side is waterproof) which can always help to keep your mattress in good condition.
✓【Swiss Cooling Technology for waterproof mattress pad cali-king size】 As you sleep, cool breathable fabric responds to your body temperature, when you heat up. (turn on the air conditioner, if the weather is too hot)
✓【Easy to Clean and Perfect Quality】 This Cal-King Mattress Pad waterproof :Authorized Certification,TPU Certified by SGS. The mattress COVER is MACHINE WASHABLE，soft,durable. All seasons general and cost-effective. It NEVER shreds after several washes.
✓【Our Point to this Waterproof Mattress Protection Cover】 We focus on customer satisfaction. We want you to be completely satisfied! Please do not hesitate to contact us with any questions or concerns.

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BEDLORE Waterproof Mattress Protector, California King Size Mattress Pad with Deep Pocket 6"-18" Depth, Soft Noiseless Dirt-Proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (Gray)

BEDLORE Waterproof Mattress Protector, California King Size Mattress Pad with Deep Pocket 6"-18" Depth, Soft Noiseless Dirt-Proof Bed Mattress Cover Washable for Home, Bedroom, Hotel (Gray)

✓Super Fabric-Are you tired of the same geometry design in the market？Please look at our unique classic coin quilt pattern！ The waterproof mattress pad has a diamond quilted top that makes the pad more supportive. It not only prevents the filling from running out but also reduces the heat and moisture of your mattress.
✓100% Waterproof Mattress Protector-Are you worried about how to protect your mattress from pee, water and stains? Bedlore mattress cover is filmed with upgraded TPU to provide waterproof protection, and the TPU waterproof layer effectively prevents sweat, body fluids and other accidental spills,great for those with elder or incontinence. No more frustration about accidents happening.
✓Soft Breathable Noiseless-The premium microfiber top layer and ergonomically designed microfiber filling brings a soft touching feeling to provide superior comfort. Reducing the annoying noise with the mattress sheet, and effectively protects the mattress against moisture, sweat, accidental bed wetting.
✓360° Deep Pocket Design-All-around high-rebound elastic skirt of the waterproof mattress pad fitting most types of mattresses depth up to 18" tightly. No matter how you move on the bed,this mattress cover will stay in place all the night. No worry of a messy bed anymore. King mattress topper 72"x84",depth:21"
✓Dirtproof Easy to Clean- This grey mattress protector is resistant to dirt and it can be machine washable with cold water on a gentle cycle, and tumble dry on low heat(not exceed 55°C/130°F). Do not dry clean, do not iron, do not bleach. Warm Tips: The mattress protector is vacuum packaged, put it in the sun and pat gently for a few times for fluffy.

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28% Discount

Premium 100% Waterproof California King Mattress Protector,Cooling Breathable Cal King Mattress Pad Cover 3D Air Fabric, Fits 8-21" Extra Deep Pocket Mattress Topper Noiseless (White,Cal King)

Premium 100% Waterproof California King Mattress Protector,Cooling Breathable Cal King Mattress Pad Cover 3D Air Fabric, Fits 8-21" Extra Deep Pocket Mattress Topper Noiseless (White,Cal King)

✓100% WATERPROOF GREATER PROTECTION: Standard 100 by OEKO-TEX certified, there is no need of concern for harmful chemicals or horrible odor. Back of MERITLIFE California King mattress protector cover is made of top TPU, an invisible waterproof barrier to protect your expensive mattress. Our cal king mattress cover effectively repels dirt and all liquids, including accidental spills, bodily fluids like sweat or urine, thus makes a clean, safe and healthy sleeping environment.
✓COOLING & BREATHABLE: 65% Polyester +35% breathable fiber, Our Mattress Cover tried to be the most breathable and softest fabric with moisture-wicking function. MERITLIFE cooling mattress Topper protector is relatively more breathable, softer than cotton terry/ pure polyester/common rayon mattress cover.
✓SLEEP IN SILENCE: The filling of MERITLIFE Waterproof Mattress Protector is 3D Air Fabric with ultra-fine ventilation holes, which only allows air flow, but quickly locks in invasive moisture and accelerates the moisture evaporation. There won’t be any crinkling or plastic sound when you move. You and your family will enjoy a fresh and silent sleeping environment!
✓18 INCH POCKET FITS PERFECTLY: Adopting Fitted-sheet Style, all our mattress pad protectors fit 8"-21" thick mattresses and all types of mattress including memory foam, latex or spring mattresses. The highly elastic skirt is made of mesh fabric and has excellent ductility to 100% fit the mattress, without any moving. You will feel the mattress as quiet and comfy as before the cover is applied.
✓If you are not satisfied FOR ANY REASON, Pls contact our Customer Support and we will do everything to make you satisfied.We suggest you buy 2 pieces or more, so you can change one while washing the other.
✓WASHING TIPS: Machine wash cold separately on GENTLE/DELICATE cycle.Tumble dry on low. Do not bleach. Do not dry clean.

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10% Discount

California King Mattress Pad Waterproof - Ergonomic Quilted Fitted Cal King Mattress Topper, 5-Layers Noiseless Washable Mattress Protector Cover with 8"-21" Deep Pocket (Grey, Cal King, 72x84)

California King Mattress Pad Waterproof - Ergonomic Quilted Fitted Cal King Mattress Topper, 5-Layers Noiseless Washable Mattress Protector Cover with 8"-21" Deep Pocket (Grey, Cal King, 72x84)

✓Ergonomic Comfort: Experience ultimate comfort with our ergonomically quilted california king mattress pad. Its specially designed-stitching contours your body, providing gentle support that soothes muscles and eases tension. Enjoy a relaxing sleep environment with our grey california king mattress topper that helps reduce stress, waking you up refreshed and recharged every morning.
✓Five-Layer Design: Our 5-layer waterproof mattress pad california king offers the perfect balance of comfort and durability. The breathable microfiber surface keeps you cool, while the soft, supportive Blended fillings provide plushness without sacrificing support. An extra sturdy base upgraded waterproof TPU layer, and quiet knit fabric ensure lasting protection and a peaceful night’s sleep.
✓Quiet Waterproofing: Stay comfortable and protected with our waterproof mattress topper cal king, designed for a peaceful and restful sleep. The advanced 100% waterproof layer keeps spills and stains at bay without the crinkling sounds of traditional waterproofing so you can enjoy a quiet, undisturbed night in soft, cozy comfort with our california king mattress protector waterproof.
✓Perfect Fit: Our grey cal king mattress pad offers a secure and convenient fit with its 360° full-wrap design and deep pockets that accommodate mattresses up to 8"-21" thick. The 1.6" high-elastic, extra-wide straps ensure a snug, slip-free fit, making installation a breeze. Our california king mattress cover is available in a complete range of sizes to perfectly complement any bed.
✓Easy Care: Our cal king mattress protector is simple to care for—toss it in the washing machine on a gentle cycle with cold water. Tumble dry on low heat (below 105°F). Do not dry clean, iron, or use bleach. Since it's vacuum-packed, allow the cal king mattress topper to air out for at least 12 hours to fluff up.

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10% Discount

Bedsure California King Mattress Topper - Pillow Top Cal King Size Mattress Protector with 8-21 Inches Deep Pocket, 800 GSM Extra Thick Waterproof Bed Pad Fitted for Home, Bedroom, Hotel - White

Bedsure California King Mattress Topper - Pillow Top Cal King Size Mattress Protector with 8-21 Inches Deep Pocket, 800 GSM Extra Thick Waterproof Bed Pad Fitted for Home, Bedroom, Hotel - White

✓BALANCED COMFORT: Our cal king mattress topper is generously filled with 800g of tested Blendtek+ fiber, expertly balancing softness and support for ultimate comfort
✓WATERPROOF: The TPU waterproof layer effectively protects your mattress, The innovative design offers superior protection against spills and accidents, ensuring your mattress stays dry and clean
✓360° BREATHABILITY: Features a five-layer structure with mesh fabric all around, to ensure breathability and softness, keeping you cool and comfortable throughout the night
✓EASY TO USE: Boasting a 21-inch deep pocket with stretchy elastic bands for a snug fit, your cal king size mattress topper stays securely in place without slipping or sliding. Its cozy quilted box design keeps the filling evenly distributed to prevent shifting
✓USAGE TIPS: Simply machine wash and dry. For best results, place the top layer facing outward and the waterproof layer inward. It's so easy to care that practical choice for everyday use

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10% Discount

SLEEP ZONE Waterproof California King Mattress Topper for Back Pain Relief, Extra Thick and Soft Mattress Protector Cover with 8"-21" Deep Pocket, Overfilled Down Alternative Filling (White, Cal King)

SLEEP ZONE Waterproof California King Mattress Topper for Back Pain Relief, Extra Thick and Soft Mattress Protector Cover with 8"-21" Deep Pocket, Overfilled Down Alternative Filling (White, Cal King)

✓WATERPROOF & FUNCTIONAL - The waterproof mattress pad use premium fabric, has upgraded 100% water resistant TPU membrane to keep your mattress dry and save your mattress from urine, perspiration and accidental spills.
✓THICK & FLUFFY - Experience a whole new level of comfort with our thick mattress pad now! Our mattress topper is thick and supportive, offering pressure-relief properties that provide greater support for your shoulders, back, and knees.
✓UNIQUE 3-ZONE DESIGN - This mattress pad is ergonomically designed with three zones. The head and foot areas use a wavy design, which can ensure the edge not deformed. The body area in the middle uses cloud-shaped quilting design to provide a larger body supportive area that dispersing the body's pressure and prevent sagging. It helps to keep your body stretched naturally for deep and relaxed sleep
✓DEEP POCKET & EASY CARE - Quilted Stretch-to-Fit (8"-21"): knitted skirt pocket stretches up to 21 inch deep and can be easily placed on most mattresses. 1.6-inch width sport elastic trim can securely hold your wrap in place, and its excellent elasticity makes the wrap easy to fit and remove. It will ensure you get the most restful and restorative sleep. Machine wash cold, do not use bleach, tumble dry low
✓OEKO-TEX CERTIFICATION - SLEEP ZONE has more than 40 years' experience in the design and manufacture of bedding. Our products are OEKO-TEX Standard 100 certified. You can buy with confidence.

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SLEEP ZONE Grey Waterproof Mattress Pad California King, Premium Soft Embossed Mattress Topper, Quilted Fitted Mattress Protector Cover with Elastic Deep Pocket (Grey, Cal King)

SLEEP ZONE Grey Waterproof Mattress Pad California King, Premium Soft Embossed Mattress Topper, Quilted Fitted Mattress Protector Cover with Elastic Deep Pocket (Grey, Cal King)

✓PROTECT YOUR MATTRESS - With a premium 100% waterproof TPU layer, this grey mattress pad protects your mattress against sweat, urine and other liquids. No more worrying about your mattress getting ruined by accidental spills and no hassle of cleaning the bulky mattress. Machine wash easily, this is a perfect choice for familes with babies, the elderly, and pets. Gives you a restful night's sleep.
✓Upgrade Bed Comfort with Premium Materials - 120gsm thick brushed microfiber as the sleep surface, soft and skin-friendly, After embossing, it is softer and more breathable. The filling is premium 5D hollow spiral fiberfill, these fibers offer great breathability and supportiveness, making this mattress cover cozy and fluffy. It'll add great softness and comfort to your old mattress.
✓DEEP POCKETS & ENSURE A RESTFUL SLEEP - Knitted pocket stretches up to 21 inches and can fit mattresses 8-15 inches deep. The 1.6-inch width elastic durable band can securely hold your wrap in place, and its excellent elasticity makes the wrap easy to fit and remove by one person. The pad snugly fits the mattress, no shifting, no noises, give you a deeper and uninterrupted sleep.
✓ZONED QUILTING DESIGN FOR BACK PAIN - This mattress topper is ergonomically designed with three zones. The head and foot areas use a wavy design, which can prevent the edge from deforming. The body area in the middle uses cloud-shaped quilting design to provide a larger body supportive area that disperses the body's pressure and prevent sagging. It helps to keep your body stretched naturally for deep and relaxed sleep.
✓OEKO-TEX CERTIFICATION - SLEEP ZONE has more than 40 years' experience in the design and manufacture of bedding. Our products are OEKO-TEX Standard 100 certified. You can buy with confidence.

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