Best Water-Resistant Throw Pillow Inserts of 2026

Phantoscope offers a pack of 2 water-resistant pillow inserts for both indoor and outdoor use. Crafted in the USA, the inserts are filled with 100% hypoallergenic microfiber polyester and come with a water-resistant liner to protect pillows from outside use. The 18'' x 18'' square form size is perfect for stuffing into decorative pillowcases for couches, beds, or chairs. The package contains 2 sets of pillows, and it is easy to stuff the inserts into your cushion cover.

MIULEE Outdoor Pillows are perfect for your patio furniture. These water-resistant pillow inserts are great for outdoor decorations and come in a pack of four. The fillers are made of high-quality 7D fiber, which is better than common filler, and they are well-filled to maintain their shape. The package includes four pieces of 18x18 inches white pillow inserts. For optimal use, gently tap the pillows to fully fluff them up or put them in the dryer for 10 minutes to get them back to their normal full fluffy shape. These pillow inserts are recommended for 16x16 inch pillow covers. With their waterproof covers, MIULEE Outdoor Pillows are perfect for use on chairs near the swimming pool or in the garden.

The MIULEE Waterproof Outdoor Inserts come in a set of four 12x20 inch pillows, perfect for adding comfort and style to your patio or garden furniture. These inserts are made from a durable, water-resistant fabric that helps protect against moisture, making them ideal for outdoor use. Filled with a high-quality fiber filling that is 20% more than typical inserts, they stay plump and bounce back quickly, giving you lasting support. Whether you use them for headrests or lumbar support, these pillows are designed to enhance your relaxation experience while being easy to maintain and fluff for continued comfort.

The MIULEE Outdoor Pillow Inserts come in a convenient pack of two, each measuring 12x20 inches. Made from durable 110 GSM fabric with a waterproof PU coating, these inserts protect against moisture, making them perfect for outdoor use on patios, porches, or garden furniture. They are filled with 7D high-quality fiber, providing a plump, comfortable feel that quickly bounces back, ensuring long-lasting support. Whether you want to rest your head or use them as lumbar support, these pillows offer versatility and comfort. Plus, with easy care tips like fluffing and drying, you can keep them looking fresh and supportive for a relaxing outdoor experience.

The MIULEE Waterproof Pillow Insert is designed to enhance your outdoor comfort. Its water-resistant fabric keeps the pillow dry, making it perfect for patios, gardens, or balconies. Filled with high-quality 7D fiber, this insert stays plump and quickly regains shape, providing consistent support. You can use it as a headrest or lumbar cushion, making your outdoor seating more relaxing. To maintain its fluffiness, simply fluff it regularly or dry it with dryer balls. This pillow insert combines durability and comfort, ideal for your outdoor relaxation needs.

The Phantoscope Outdoor Pillow Inserts are designed to offer you both style and convenience. These pillows come without covers, allowing you to use them directly outdoors, saving you the hassle of finding matching covers. They are made with waterproof fabric and filling that resist moisture and mildew, making them perfect for patios, pools, or tents. Plus, their vibrant colors stay bright and fade-resistant, keeping your outdoor space lively. Thanks to a special filling technology, these pillows provide excellent support for your back, neck, and lumbar areas while maintaining their shape over time. They are a practical and colorful choice for your indoor and outdoor comfort.

The MIULEE Outdoor Pillow Inserts come in a convenient pack of two, each measuring 12 by 20 inches, perfect for giving your pillow covers a full and plush look. Filled with high-quality 7D polyester, these inserts provide excellent support whether you're relaxing on your patio or indoors. The water-resistant polyester cover keeps moisture out, protecting the pillow from rain or spills, so you can enjoy them outdoors without worry. With stylish navy blue piping and a subtle green-blue logo, these pillows add a touch of durability and charm to any space, making them a great choice for your sofa, garden, or balcony.

The Oubonun Waterproof Pillow Inserts offer a great way to enhance your outdoor and indoor spaces. These 12x20-inch pillows come in a convenient two-pack, giving you enough for your patio furniture or sofa. Their waterproof covers protect the pillows from moisture, making them ideal for outdoor use. Filled with 100% polyester, they balance softness with support, ensuring comfort wherever you place them. Plus, the hidden zipper lets you adjust the filling to your liking, so you can customize the firmness and enjoy a cozy, personalized feel. These inserts are versatile and perfect for adding a decorative touch to various seating areas.

The MIULEE Waterproof Pillow Inserts are designed to enhance your outdoor comfort. Each pack includes two 18x18 inch pillows filled with high-quality 7D polyester, offering soft support and the perfect weight for relaxation. The water-resistant fabric cover protects the pillows from moisture, making them ideal for use on patios, balconies, or poolside areas. With attractive patterns tailored for outdoor settings, these inserts add style while being practical for camping or picnics. Plus, you can easily refresh their fluffiness using a dryer, keeping your pillows comfortable and inviting for any outdoor activity.

The QSWRD Waterproof Pillow Inserts are designed to be versatile and durable for both outdoor and indoor use. These 12x20-inch inserts come in a set of two, making them perfect for decorating your sofa or outdoor seating areas. You can easily test their waterproof feature by splashing water on the fabric, ensuring they stay dry and protected. Filled with soft microfiber hollow polyester fiber, these pillows provide comfortable support while maintaining a plush feel. Their sturdy poplin piping adds durability and a neat finish, giving you a reliable and attractive cushion option for various spaces like porches, poolsides, or living rooms.