Southwest Elasto-Gel All Purpose Therapy Wraps Each KW6005 by Southwest Technologies GROUP: Orthopedic & Physical Therapy:Hot/Cold Therapy:Packs Item Description: Knee Wrap, Large/ X-Large, Patella Hole Packaging Desc: Therapy Wrap Knee Lg/Xl Holeelasto-Gel All Purp 10/Case Country of Origin: US Harmonized Tariff Code: 3924.90 Product Description: Can be used hot or cold. They provide moist heat and soothing cold. Stays hot or cold for 20-40 minutes. They are covered with a four-way stretch material which allows maximum conformity, heat transfer and comfort. Remains flexible and soft at temperatures as low as -20�F. Does not leak, even if punctured. Microwavable or can be heated in a conventional oven. Guaranteed for six months for manufacture defects.