Reusable hot and cold gel packs from Cardinal Health provide quick, localized therapy. The controlled release design reduces the risk of temperature extremes associated with alternate methods. These reusable gel packs can be heated in a microwave for heat therapy or placed in a freezer for cold therapy. Contents are nontoxic and nonirritating. Soft-freeze packs stay flexible when frozen to easily mold to the injured area. Measures 2.5 x 5 in., Size X-Small. Features: Reusable hot and cold gel packs from Cardinal Health provide quick, localized therapy The controlled release design helps reduce the risk of temperature extremes associated with alternate methods These reusable gel packs can be heated in a microwave for heat therapy Soft-freeze packs stay flexible when frozen to easily mold to the injured area for cold therapy Measures 2.5 x 5 in, Size X-Small