IMAK Arthritis Socks Large (Pair) Cold Therapy Packs HydraHeat Hot Packs are Non Latex Two 1 inch urethane HydraHeat Hot Packs are Non Latex and are Covered by a 1 Year Warranty 4 oz Sterile Bx 100 * Translucent polypropylene with screw cap * Leakproof cap is color coded to denote sterile or non sterile * Reads ml and oz * Individually wrapped The IMAK Arthritis Socks help relieve aches pains and stiffness associated with arthritis of the feet * Unique design provides mild compression for warmth and helps increase circulation to promote healing * The Arthritis Socks are made of soft breathable cotton material * Provides mild compression to help control swelling * Cotton material allows skin to breathe and keeps feet dry * Comfortable all day and night