1.Package Includes: you will get 6 pieces of reusable ice packs for injuries, including 2 pieces of 6 inch white bags, 2 pieces of 9 inch blue bags, and 2 pieces of 11 inch dark blue bags, which are enough to meet your family needs 2.Hot Cold Ice Pack: the reusable ice packs can be applied to hold ice cubes to apply ice compress, or hold hot water to keep warm or apply hot compress, which are versatile and practical 3.Rain Relief: the refillable ice pack can help relieve pain and reduce swelling from bruises, muscle aches, sprains and strains, which is very suitable for sport injury and first aid 4.3 Sizes: 3 kinds of refillable ice packs (small size, medium size and large size) can be applied to different parts, such as wrist, knee or back, and are suitable for different people, such as children, teenagers and adults