Greenzone Pebbletex(TM) waterproof ORGANIC mattress protectors protect your family from household allergens and pests. This mattress cover provides a protective barrier against dust mites and other allergens. Mattress protectors have been recommended by doctors and allergists. Constructed with a patented multi layer fabric process finished with a polyurethane laminate and waterproof treatment. The Greenzone Pebbletex Mattress Protector is constructed with double stitched seams to ensure many years of use. Bedding accessory features. Durable, stretchable fabric is easy to put on and take off. Pocket Depth: Up to 21 inches deep. Care: Machine washable. Tumble dry on medium heat. Do not bleach or dry clean.