Bed bug 911 standard bed bug & allergen-proof pillow covers, queen size 21″w x 27″l, 2 pack. Secure bed bug proof pillow covers protect against bed bugs, dust mites, fleas and other pests and allergens. Laboratory tested and certified bed bug proof. High tech, non-woven fabric with locking zippers keep bugs from entering or escaping pillows. Water resistant to protect against leaks and spills, including water, sweat, blood and urine. Machine washable in temperatures below 140f and dryer safe. Covers slip on easily. Backed by a 5-year warrantee.