Sleep Protection Mattress Pad with Expel Epa Registered Bedbug Eliminating Technology, Twin, White Expel doesnt just cover up the bed bugs, it kills them Expel is the only product that is epa registered and proven to be safe and durable Expel technology is combined with our hypo-allergenic 100-percent polyester quilted mattress pad Twin size measures 39-by-75-inch and is sewn like a fitted sheet with 15-inch pockets Also effectively eradicates or repels dust mites, mosquitoes, ticks, midges, chiggers, ants