Mueller Reusable Hot/Cold Pack Slip In Pouch Therapy Wrap. 330121 (S). Ideal for smaller body parts like an ankle foot elbow wrist or neck; the Mueller Cold-Hot Therapy Wrap pouch holds one 4.75 x 6 cold-hot pack and provides a safe protective barrier for your skin while applying cold or hot therapy. Includes one small wrap with extension strap and two reusable 4.75 x 6 cold-hot packs. Cold Therapys: Use cold for sprains bruises and other injuries. Heat Therapys: Use heat for ongoing aches and pains. Care For Wrap: Hand wash in cold water with mild detergent. Do not use bleach or fabric softener. Rinse thoroughly and air dry. Caution: This product contains natural rubber latex which may cause allergic reactions. Constructed of a neophrene blend which may cause skin irritations. If rash develops or pain persists discontinue use and consult a physician.