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Top 9
June 2025
Best Single Outdoor Pillow Inserts18x18
We made a list of the top 9 Single Outdoor Pillow Inserts18x18 based on verified reviews, popularity and other factors which we summarized for you in this list.
Best Choice
1
Utopia Bedding Outdoor Pillow Inserts 18 x 18 Inches (Pack of 2, White), Water Resistant Garden Throw Pillows for Patio and Porch Furniture
Utopia Bedding
9.6
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Throw Pillow Pack of 2– Masterly crafted pillows with dimension 18 x 18 inches, designed to provide an exceptional level of comfort while adjusting to the modern bedding setting.
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Water Resistant Pillows - The feature allows usability for outdoor and indoor, and are perfect for everyday use in your bedroom, guest room, at the beach, or even during traveling. The decorative pillows provide enhanced support to help you relax and unwind for a restful night's sleep wherever you are.
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Enchanting Aesthetics – These white throw pillows come with elegant aesthetics creating their own space in a modern bedroom theme for a lavish look.
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Material Composition – These water-resistant pillows are composed of Virgin Poly Staple fiber coupled with smooth and soft fabric that allows improved air circulation and low water absorption.
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All-Season Comfort – Whether it is hot and humid or cold and damp, these throw pillows provide a soft touch and protection year-round, making them a versatile choice for any season.
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Durable and Longlasting – The square pillows offer an uninterrupted resting experience with an exceptionally qualitative build allowing for the extended lifespan of the pillows.
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Care Instructions – Spot clean is recommended to clean the pillow, the pillow can be handwashed for easy case. Avoid bleaching and machine washing the pillows.
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5% Discount
2
MIULEE Pack of 2 18x18 Inch Outdoor Pillow Inserts Waterproof Decorative Throw Pillow Insert, Square Lumbar Garden Pillow Form for Patio Sofa Couch
MIULEE
9.4
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WATERPROOF MATERIAL: Package includes 2 pieces of 18x18 inch pillow inserts. Made of 110 GSM brushed fabric with PU coating, which has strong water resistant.
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PREMUIM FILLING: The pillow insert is filled with 500g/1.1lb (20% more than others) 7D high-quality fiber filling which looks plump and could rebound quickly.
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OUTDOOR DECOR: Suitable for patio, garden, balcony, porch, bench, tent, sofa, couch, bed, chair, seat, picnic, camping, etc. You can lay your head on, use as a back support or lumbar pillow insert. Our pillow insert can bring you the ultimate relaxing experience.
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WARM TIPS: Grasp the pillow insert from both sides towards the center several times and add air to the pillow by punching it. Dry pillow inserts in dryer with dryer balls. Remember to give your pillow insert a good fluff regularly to keep it comfortable and supportive!
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SIZE CHOICE: Inserts should 1-2 inches larger than covers for a full look. Please pull tight along outer edges and measure corner-to-corner of outdor waterproof pillow insert.
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15% Discount
3
MIULEE Pack of 2 18x18 Outdoor Waterproof Throw Pillow Inserts, Decorative Water-Resistant Pillow Cushion for Patio Garden
MIULEE
9.3
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Items & Material: This item contains 2 pack of 18x18 inch waterproof throw pillow inserts. The filler of the pillow inserts is 100% high quality 7D polyester and the cover is high performance water resistant fabric.
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Unique Design: We designed beautiful patterns on the pillow inserts, which makes them more suitable for outdoor activities.
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Comfortness: The key to pillow comfortness are good softness, excellent support and just the right weight. And our product have them all at the same time.
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Usage Scenario: These pillow inserts are specially made for outdoor waterproof use like balcony, patio or poolside. They are essentials for your holiday camping or picnic.
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Tips: Dryer is an ideal tool to help make pillow inserts fluffy. Pls dry pillow inserts in dryer with dryer balls on warm mode for 20-30 mins.
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14% Discount
4
MIULEE 18x18 Inch Outdoor Pillow Insert Waterproof Decorative Throw Pillow Insert, Square Garden Pillow Form for Patio Sofa Couch
MIULEE
9.0
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✓
WATERPROOF MATERIAL: Package includes 1 pieces of 18x18 inch pillow insert. Made of 110 GSM brushed fabric with PU coating, which has strong water resistant.
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PREMUIM FILLING: The pillow insert is filled with 7D high-quality fiber filling which looks plump and could rebound quickly.
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OUTDOOR DECOR: Suitable for patio, garden, balcony, porch, bench, tent, sofa, couch, bed, chair, seat, picnic, camping, etc. You can lay your head on, use as a back support or lumbar pillow insert. Our pillow insert can bring you the ultimate relaxing experience.
✓
WARM TIPS: Grasp the pillow insert from both sides towards the center several times and add air to the pillow by punching it. Dry pillow inserts in dryer with dryer balls. Remember to give your pillow insert a good fluff regularly to keep it comfortable and supportive!
✓
SIZE CHOICE: Inserts should 1-2 inches larger than covers for a full look. Please pull tight along outer edges and measure corner-to-corner of outdor waterproof pillow insert.
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22% Discount
5
MIULEE 18x18 Outdoor Pillows, Pack of 2 Water Resistant Waterproof Pillow Inserts Decorative Stuffer for Sofa Couch Patio and Garden
MIULEE
8.9
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Package:Include 2 pack of 18 x 18 inch outdoor waterproof throw pillow inserts.Measure corner-to-corner of your inserts,pulling tight along outer edges.Inserts should be larger than covers for a full look.
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Premium Material: Our outdoor waterproof pillows are filled with high-quality 7D polyester to ensure perfect support,the cover is made of water-resistant polyester,effectively prevent water flow into inserts
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Unique Design: Our pillows consist of navy blue piping along the edges for enhancing durability,the green-blue outdoor logo on the corner for adding a clean and beautiful look.
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Multi Use: These pillow inserts are not only suitable for outdoor patio,garden,balcony,outdoor courtyards and poolside party,etc,but also for indoor such as sofa, bed, office, chair, car, couch,etc
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Warm Hint:The pillows are packed in vacuums,after you open the bag,please pat the pillow insert from both sides towards the center several fimes to make inserts fluffy.Also dryer is an ideal tool to help make pillow inserts fluffy. Pls dry pillow inserts in dryer with dryer balls on warm mode for 20-30 mins
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6
OTOSTAR Throw Pillow Insert Premium Fluffy Pillow Stuffer Square Decorative Pillow Insert with Zips Cushion Inner Decorative Cushion for Sofa Bed Couch Stuffer Pillow 18 x 18 Inch (1 Pack, 18''x18'')
OTOSTAR
8.8
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FIBER FILLING: White poly cover and siliconized fiber filling will never make them look hollow
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Great Decorative Pillows: Easily fluffy up to regally display your covers. You could change your pillow covers which you like to go well with any home decor in different seasons. Versatile for bedding, couch, sofa, office, etc
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Soft but Supportive: Polyester fillings are well-filled so it does a good job keeping the shape brilliantly. Plump enough for lumbar support. You will feel great to lay your head on or use as a back support in a chair or sofa
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Product Dimension: pillow inserts are included. The package comes with a vacuum bag,please give it some time to expand to their proper size
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Washing Tips: Machine washable in gentle cycle with mild detergent. Dryer friendly. Do not bleach. Standing some time will refresh your pillows
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7
MIULEE 18x18 Pillow Insert Throw Pillow Insert, Outdoor Pillows Water-Resistant Premium Outdoor Pillow Stuffer Sham Square for Couch Sofa Patio Furniture Cushion Porch Swing
MIULEE
8.6
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OUTDOOR & WATER RESISTANT PILLOW INSERT: this pillow insert is suitable for patio furniture outdoors due to the waterproof covers of pillow inserts.
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OUTDOOR DECORATIONS: waterproof pillow inserts could be used as a decorative pillows for your chair near the swimming pool or in the garden.
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Fillers are made of great 7D fiber, better than common filler. Well-filled so it can keep the shape brilliantly.
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Warm Hint: Dryer is an ideal tool to help make pillow inserts fluffy. Pls dry pillow inserts in dryer with dryer balls on warm mode for 20-30 mins.
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Multi Use: The Outdoor Pillow Insert is the perfect decoration for weddings, New years, birthdays, valentine's day, mother's day, father's day, graduations. It also makes for a perfect housewarming decoration for anyone in your life who has recently moved
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10% Discount
8
EDOW Throw Pillow Insert, Lightweight Soft Polyester Down Alternative Decorative Pillow, Sham Stuffer, Machine Washable. (White, 18x18)
EDOW
8.2
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-Filling with upgraded microfiber polyester filler,great spring back ability,medium support.The cover is made of polyester.
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-Pillow insert size:18″ x 18″(45cm x 45cm).UNIT WEIGHT:0.66lb(300g).Please notice the pillow is featured with lightweight and soft.If you prefer thicker and solider pillow,please choose other version throw pillows we sold.
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-Gentle circle machine washable.Dry it in dryer or bask in sunlight would greatly help the pillow recover it’s fluffy shape.
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-The pillow is compressed and vacuum sealed in plastic bag for shipping purpose.
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-What you get: 1 x pillow insert(18” x 18”),12 month warranty our friendly after-sale customer service.
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33% Discount
9
Phantoscope Premium Outdoor Pillow Inserts - Pack of 2 Square Form Water Resistant Polyester Throw Pillows, Couch Sham Cushion Stuffer, 18 X 18 inches
Phantoscope
8.1
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Pack of 2 water resistant pillow inserts for both indoor and outdoor, fill all your decorative pillowcases perfectly for couch, bed or chair with comfort and support.
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Upgraded with 15% more hypoallergenic microfiber polyester filling, these pillow inserts feature a water-resistant liner and durable stitching, protecting your pillows from getting wet and moldy.
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Size: 18'' x 18'' square form, additional sizes and measurements to choose from.
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Very simple to stuff these pillow inserts to your cushion cover offer both stylish decoration and comfort support.
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Each compressed package contains 2 sets of pillows, pat evenly after opening to gain fully plush.
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