These waterproof pillow covers are absolute lifesavers, especially if you have kids, pets, or just want to protect your investment in nice pillows! You get 4 covers in 18x18 inch size, made from soft microfiber jersey knit that feels comfortable against your skin. The secret is the breathable TPU waterproof membrane that keeps moisture out while still allowing air to pass through - no crinkly plastic sounds here! They're OEKO-TEX certified too, so no harmful chemicals. The zipper design fully encloses your pillow and keeps it securely in place. What's amazing is they're durable enough to withstand over 100 washes without losing their waterproof qualities. Machine washable and tumble dry low - super easy care. Perfect for protecting against spills, sweat, allergens, or pet accidents. Your pillows will stay fresh and clean way longer. At 4 covers in a pack, you can protect all your throw pillows or have spares for guests. Such practical home essentials!