The Arena Water Tribe Soft Armbands for young swimmers. Let your kid confidently navigate deeper waters with the Arena Roll-up Armbands. Printed with an adorable crew of animals, these inflatable floaties have a flat side so they're easier to move in. Get real peace of mind knowing that the safety valve lets air out only if squeezed when open. Made to meet all European safety standards from high-quality material with no harmful phthalates.