Keep bed bugs & water stains.... sleep and undisturbed while protecting your pillows from bed bugs and water stains, saliva or sweat. Dust, mite-proof, allergy-friendly and antibacterial. Zip closure. High quality. No tearing or chipping quality guaranteed. 100% polyester, polyurathane supported. Machine washable and tumble dryer-safe. Size: King size (approx. 20" x 36")