Waterproof Brushed Fabric: Crafted with a premium water-resistant brushed polyester shell, these inserts repel moisture and stains—ideal for both indoor and outdoor use. Fluffy, Breathable & Supportive 7D Polyester Filling: Filled with premium 7D high-loft polyester fiber, these inserts offer breathable comfort, lasting support, and a soft bounce-back feel—perfect for lounging, layering with decorative covers, or craft projects. Durable, Well-Stitched & Shape-Retaining: Expert stitching ensures no shifting, clumping, or leaking. Your inserts stay plush and full after repeated use or compression. Ideal for Lumbar Throw Pillows: The 12x20 inch rectangular shape offers excellent lumbar support for sofas, chairs, or patio benches—perfect as a back cushion insert. Hypoallergenic & Skin-Friendly: Made from 100% hypoallergenic polyester materials, safe for allergy-sensitive households, including homes with kids and pets. Friendly Reminder: Pillows are packed in vacuum compression for easy transportation. The package may not be fluffy immediately after opening. You can pat it repeatedly and leave it for more than 24 hours to naturally recover and restore its full and fluffy state. Upgrade your home comfort and décor with our Premium Waterproof Pillow Inserts – designed for durability, comfort, and versatility. Whether you're refreshing your couch cushions, decorating your bed with throw pillows, or enhancing your outdoor patio space, these Pillow inserts have reliable support, breathability, and softness  Each insert is encased in a white, water-resistant polyester Fabric, making them perfect for indoor and outdoor use. The high-quality polyester fill offers a perfect balance of softness and firmness, keeping your decorative pillows plush and in shape. Available in five essential sizes—12x20, 16x16, 18x18, 20x20, and 22x22 inches—you’ll find the right fit for every pillow cover in your collection.  With strong stitching craftsmanship, these inserts won’t clump or lose form, ensuring lasting use. Hypoallergenic materials make them safe for the whole family. Use them in your living room, bedroom, patio, or even for DIY craft and home projects.  Add comfort, shape, and style to your space—these inserts are the upgrade your pillows have been waiting for.