Features： 1、WIDELY APPLICABLE: Reusable ice pack can be used multiple times with cold or warm water. Great for adults, apply to neck, chest, ankles, legs, knees, abdomen, back, shoulders and more. 2、 USING METHODS: Ice pack is used in hot and cold therapy, ice pack can restrict blood flow, reduce swelling, reduce muscle spasms, heat pack can improve pain, etc. 3、LARGE CALIBER: 5cm caliber ice bag, easy to add ice cubes and water (no more than 2/3) for cold therapy. Add hot water for hyperthermia (not more than 2/3), do not boil, 50 to 60 ℃ is best. 4、GREAT PERFORMANCE: Safe and non toxic ice bag, soft, waterproof and pliable wrap to hold hot and cold water longer than gel packs or other bags, leakage proof lid and waterproof design. 5、LIGHTWEIGHT AND PORTABLE: The ice pack is lightweight, small and easy to carry. It fits ly in your home, office, car and travel bag to prevent accidental sprains or pain. Specification： Item Type: Ice Bag Material: Polyester Fiber, PVC Coating, ABS Color: White Caliber: Approx. 5cm/1.9in Package List： 1 x Ice Bag