100% Polyester ✅ Complete 100% Waterproof Protection – Made with an advanced waterproof TPU backing, these pillow protectors provide a reliable shield against sweat, spills, drool, and other liquid accidents, extending the life of your pillows. Designed as an all-season essential, they deliver year-round comfort and protection ✅ Soft & Quiet Jersey Knit Fabric – Crafted from ultra-soft pure white jersey fabric that feels smooth and cozy. No plastic feel or crinkling noise – just a quiet, restful sleep. ✅ Zippered Enclosure for Full Coverage – High-quality, hidden zipper completely encases the pillow, providing full 360° protection from dust, dirt, allergens, and bed bugs. ✅ Hypoallergenic & Breathable – Ideal for allergy sufferers, these protectors block dust mites and other allergens while still allowing air to flow for a cool, breathable sleep experience. Upgrade your bedding with the Express 4 Pack Zippered Waterproof Standard Pillow Protectors, designed to keep your pillows clean, dry, and fresh while maintaining a soft, quiet sleeping experience. Crafted from high-quality jersey fabric in a pure white finish, these 20x26 inch pillow protectors offer a perfect fit for standard pillows. Each protector features a hidden zipper closure for full encasement, guarding against spills, sweat, stains, dust mites, and allergens. The advanced waterproof layer is breathable yet completely effective, ensuring protection without sacrificing comfort. Whether you're allergy-prone, have kids or pets, or simply want to prolong the life of your pillows, these super soft, noiseless pillow covers are a must-have. Machine washable and durable, they are ideal for everyday use in any bedroom setting.