The Dusk 2 Dawn Organic Cotton Pebbletex Twin Mattress Bed Bug protector, for a restful nourishing sleep with the natural sleep shield system. This 100-percent waterproof mattress pad has a soft quilted organic cotton top with a waterproof laminate polyester backing with a dust mite and bed bug shield, a pollen shield and a mold shield all in one. This full encasement has wrap around zipper for added protection and secure fit. The chemical free waterproof mattress encasement is a must for any bed. The encasement measures 38-inch by 75-inch by 12-inch Machine washable warm and tumble dry for best wear. Natural Color.