Mattress Cover Allergy Relief King size 78 x80 x9 Zippered Jobst for Men Casual 20 30mmHg * Push to lock rear wheel locks 10883 * Push to lock rear wheel locks The ProBasics Lightweight Aluminum Transport Chair with 12 rear wheels has a lightweight aluminum frame and padded upholstery Our allergy relief bedding is designed specifically to prevent dust allergens from becoming airborne * The membrane free tight weave construction prevents dust allergens and pet dander from becoming airborne * No membrane means the most comfortable and cool night s sleep and allergy relief * All of our covers are laboratory tested and efficient against dust allergens and pet dander Zippered Mattress Cover * King size 78 x80 x9 * Six gauge vinyl * Heavy duty and durable * One cover per package * 100% Waterproof * Fire retardent * Notice to California Consumers: WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm *