... hot cold gel pack for therapy in foot/neck/head etc.ice pack phycical theraps, smoothing gel pack,forehead gel packcold compress ... therapy for traumatic hemorrhage, heatstroke, itch, headache, strain, scald, fatigue.Hot compress: alleviate rheumatic pain, neural pain, sciatica, vertebral pain, improve mucous ... . ice packs physical therapy/Microwaveable therapy gel pack,reusable cold/hot compress bag