Original Bed Bug Blocker Zippered Pillow Protector, Standard, 2-Pack: * Complete pillow encasement * 3-layer microporous barrier to protect against bed bugs and other allergens including dust mites * Recommended by doctors, allergists and entomologists * Fits standard pillows * Bed bug blocker, allergen barrier and dust mite blocker * Stain-resistant * Waterproof * Care: machine wash