Greenco Premium Hypoallergenic Bed Bug, dust mites Proof Zippered Waterproof , Pillow Protector, Terry Surface, Set of 2, Standard Size (21 x 27 Inches) 80% Cotton/20% Polyester Imported Set of 2 waterproof and bed bugs proof pillow protectors Prevents saliva, sweat, and other body fluids from damaging your pillow; Never wash your pillow again! Made of 80% soft & noiseless cotton terry and 20% polyester terry. Breathable membrane (won't trap heat while you sleep) and super comfortable Lining is made of 100% polyurethane. Anti-bacterial & Hypoallergenic. Help ease Asthma and other Respiratory conditions by blocking allergens as you sleep. Waterproof Barrier Zippered protective covering encases the entire pillow. Standard Size - 21 x 27 inches