Set includes 2 King Size Pillow Protectors measuring 21" (Width) x 37" (Length). Stretchable, breathable fabric keeps liquids, contaminants and allergens out without compromising comfort. Designed to be soft and completely noiseless, you will not see or hear crinkles. | ALLERGY RELIEF: Hypoallergenic construction and an impenetrable cover helps you stay healthy and breathe easy. Sleeping on an uncovered pillow can expose you to many different types of allergens making it difficult to breathe and sleep. Seal out dust, pet hair and allergens for good! | WATERPROOF: Whether you have pets or kids, accidents and spills happen. This 100% waterproof pillow protector has a polyurethane inner lining that blocks liquids and moisture from getting in and keeps your pillow waterproof, dry and protected! | BEDBUG PROTECTION: Seal away bed bugs for good! Premium zippered encasement ensures that nothing gets in! Say good-bye to troublesome pests that can bring discomfort to your life. | Made of high quality polyester (top surface) and polyurethane (inside lining).