Features of the Fabrications Relief Pak Reusable Cold Pack: The Relief Pak re-usable cold pack offers an effective method of applying cold therapy to a localized area. Place pack in a chilling unit or freezer. Packs remain pliable and soft even below freezing. Pack maintains its therapeutic temperature level for up to thirty minutes. Chilled pack should be applied to treatment area using either a light towel or a Relief Pak cover. Terry cloth Relief Pak covers can withstand repeated machine washing and drying. With one of the largest catalogs of medical, surgical and diagnostic supplies available online, Medex Supply can accommodate your facility's needs for Orthopedic Therapy. Cold Packs & Wraps can be found in our extensive online collection of products from globally recognized and trusted brands, including Fabrication Enterprises. An excellent option to consider is the Fabrications Relief Pak Reusable Cold Pack.