Standard, 21 in x 27 in (53 cm x 69 cm)* Supple, long lasting vinyl The soft durable vinyl of the zippered pillow case provide ideal waterproof protection. Waterproof Non-Allergenic Latex-free Wipes clean with damp cloth Care instruction: Wash by hand with water and mild soap. Avoid prolonged exposure to extreme temperatures. Never use cleaning fluids, polishes, or waxes. *Sizes are approximate.