... Sports, health, muscle aches, Yoga, fever, family medical fabric/cotton ice bag, cooler bag, cooling bagMaterial: Outside : cotton Inside : PVC or Natural Latex ... pain. 4. Method: i. Cold therapy: fill bag with ice cubes, crushed ice or ice water, securely screw the cap on and place ... feel the pain. ii. Heat therapy: fill bag with two-thirds or the ice bag pack with hot water(not boiling), securely ...