Reusable hot/cold gel compress ice packs for first aid, sports and injuries Durable construction resistant to punctures Suitable for hot/cold therapy on muscles and joints, as well as injuries on the back, knees, elbows, ankles or shoulders Soothes pain from inflammation, sprains and strains and sports related injuries The reusable standard size gel pack is 27cm x 16.5cm Packs remain pliable after freezing to conform easily to body parts