ice pack for waist back shoulder hip knee reusable cold therapy gel packs to injuries, flexible large wrap pain relief swelling aid surgery

to enjoy a heat or cold compress. aswoncn reusable cold&pack has two differ suface. soft velet suface designed for prevent much cold or heat when contact skin directly.aswoncn cold & pack is full of safe and non-toxic gel to maintain cool or heat time longer.it's always flexible and foldable, never become hard ice.with two elestic velcro belts, you can fix the cold & pack on your body area y. universal widly use on your head, back, knee, leg,foot etc. when used as a heat pack, the pack should not be overheated in the microwave.