The My Little Nest Cotton Pebbletex Quilted Crib Bed Bug and Anti-Allergen Encasement provides a protective barrier around your mattress that locks out and eliminates bed bugs, dust mites, pet dander, pollen, and mold spore allergies once and for all. The total encasement cover is made of a soft natural cotton with a moisture repellent top surface. This 100% waterproof crib mattress encasement has a soft quilted pebbletex cotton top with a waterproof laminate polyester backing to keep baby comfortable whether sleeping or playing. The chemical free waterproof cotton crib encasement is a must for any nursery, insuring baby"s natural comfort while offering maximum waterproof and allergen protection for your babies crib mattress. The encasement measures 28" x 52" x 6". The wrap around zipper design ensures complete protection. Machine washable warm and tumble dry for best wear.