... pack phycical theraps, smoothing gel pack,forehead gel packPurpose:Cold compress: physical therapy for traumatic hemorrhage, heatstroke, itch, ... headache, strain, scald, fatigue.Hot compress: alleviate rheumatic pain, neural pain, sciatica, vertebral pain, ... membrane scar after surgery. Cold/Hot Therapy Gel Pack, hot/cold pack, ice therapy pack,cold compress/forehead gel pack