If your little Super Hero has an injury you can help them relieve pain with the Chattanooga Reusable Cold Pack Featuring Marvel - Small. Features Marvel's Avengers characters including Captain America The Hulk Iron Man Black Panther Thor and Black Widow the Reusable Cold Pack – Small helps provide up to 30 minutes of soothing relief to inflamed muscles and joints. Easy to use the ice pack can be refrozen as many times needing at least two hours in the freezer before use. The Reusable Cold Pack – Small is safe to use for all ages and is flexible conforming around the anatomy during use. Recommended to help manage muscle and joint pain as well as swelling or inflammation.