1、Pain Relieve: Hot cold ice pack is good to restrict blood flowing, reduce swelling, relieve muscle spasms, and quickly and importantly remove pain.2、Widely Use: Ice bag with a perfect 6inch in size, can be applied on the forehead, face, and local acupuncture points, and is also suitable for children and teens.3、Prevent Leaking: Ice cold pack adopted an excellent leakproof lid and waterproof design, the water outside the ice pack is a normal physical principle, not leaking.4、Easy Filling: Reusable ice bag adopted a large opening mouth design, convenient for filling ice or water, add ice cubes and warm water no more than 2/5、Portable Size: With 2pcs empty ice bags, small in size and light in weight, suitable to be placed in your home, office, car, and travel bag to prevent accidental sprains or pain.