Don"t fumble with plastic bags and tape to make a cast waterproof - use SEAL-TIGHT coverings instead. The SEAL-TIGHT Sport is a unique product that stretches over the cast or bandage and creates a vacuum when the limb is placed under the water. This waterproofing occurs naturally, without any pumps or the use of hook and loop straps. The product seals so well, children can even go swimming with a cast! Latex-free, this watertight seal is easy to use and safe for water sports, whirlpools or hot tubs. Made of high-performance TPE vinyl, it stretches easily, is reusable and available in pediatric and adult sizes.