Arthritis Knee Sleeve Small by IMAK Neck Pillows s sleep and allergy relief Aluminum band assists in s sleep and allergy relief * All of our covers are laboratory tested and efficient against dust allergens and pet dander * Zippered Mattress Cover * Twin 39 x75 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 * Accurate: The Calibrated©V Lok© system clearly indicates whether or not the correct size cuff is being used *The center of the bladder is clearly marked on the inner and outer surfaces of the cuff for correct application on either the right or left limb *Hook and loop fasteners are used to provide the optimal number of open close cycles *Comfortable: Cuffs conform to the shape of the limb and have no hard stiff edges *Durable: Baum cuffs are made of tightly woven heat set Dacron * Provides mild compression to help control or decrease swelling of the joints * Effective non invasive arthritis relief