... aches, Yoga, fever, family medical fabric/cotton ice bag, cooler bag, cooling bagMaterial: Outside : cotton Inside : PVC ... . 4. Method: i. Cold therapy: fill bag with ice cubes, crushed ice or ice water, ... bag pack with hot water(not boiling), securely screw the cap on and place where you feel the pain. iii. After using ... , drain and air dry your bag before replacing cap. Store in ...