THREE SIZES DESIGN: [Large (11"), Medium (9"), Small (6")] - The small ice pack is perfect for children, or smaller aches and pains, while the two larger ones are great for teenagers and adults LEAK-RESISTANT LARGE OPENING CAP: The cap opening is large to allow for easy filling of ice cubes or crushed ice FAST RELIEF: Ideal for application of cold therapy to help reduce pain and swelling from minor scrapes, bruises, muscle aches, sprains and strains. Recommended to help relieve pain, reduce swelling, and speed recovery. Stays cold much longer than gel packs or other cold packs. Suitable for sport injury and first aid