soft and can keep body cold made of fabric,PVC showerproof inside relase pain, uncomfort and fever. Sports, health, muscle ... /cotton ice bag, cooler bag, cooling bagMaterial: Outside : cotton Inside : PVC or Natural Latex coatingSize: 6", 9", 11"Color and design ... upset stomach, migraine, sinus and joint pain. 4. Method: i. Cold therapy: fill bag with ice cubes, crushed ice or ice ...