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4 Pack Pillow Inserts Waterproof Outdoor 18x18 inch White
✅ In stock
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Grade
Analysis Confidence
25%
Price verified Sep 28, 2026 11:34 PM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
Shengjia7755
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓WATERPROOF OUTDOOR SQUARE PILLOW INSERTS Engineered with a durable water-resistant coating, these 18x18 outdoor square pillow inserts repel moisture for use on patio furniture, garden chairs, or your favorite indoor sofa. Perfect as waterproof cushion stuffers for balcony, backyard, or everyday couch cushions. (Pair with waterproof cover for full weather protection.)
✓ULTRA-SOFT & HYPOALLERGENIC – 3D POLYESTER FIBER Filled with premium 3D polyester fiber – a popular down alternative – these square cushion pads feel luxuriously soft yet remain lightweight. They are completely hypoallergenic, odorless, and lint-free, making them ideal for sensitive skin. Great as replacement cushion stuffers for your existing couch covers.
✓NO LUMPS, NO CLUMPS – STAYS SMOOTH & SUPPORTIVE Unlike cheap fillings that shift and bunch, our high-quality slick polyester fiber resists clumping. These square throw pillow inserts maintain their shape and provide balanced support for sofas, beds, or recliners. A quick tumble dry restores their fluffy loft – just like new.
✓DURABLE & EASY-CARE – 115 GSM COVER The outer shell features a hard-wearing 115 GSM polyester-blend fabric with a high thread count for a smooth, durable finish. Strong enough for daily use as everyday couch cushions, yet simple to clean – machine washable in cold water and tumble dry on low.
✓PERFECT FIT GUIDE – 18x18 INCH SQUARE INSERTS For a professional, tailored finish, use a cushion cover 1 inch smaller. Example: Pair this 18x18 inch insert with a 17x17 inch cover for a snug, plump fit. Ideal as square replacement cushion pads for living room, patio, garden, or backyard.
⚙️ Specifications
Fill Material
Polyester
Pillow Type
Throw Pillow Insert
Color
White
Size
18x18 in pack 4
Brand
DDPSNSSJ
Cover Material
Polyester
Material Features
Breathable, Hypoallergenic
Fabric Type
100% Polyester
Shape
Square
Pattern
Plain
Item Dimensions L x W
18"L x 18"W
