Ergonomic, safe and fun helper for water entertainment. Movement-free, transparent with two chambers and a double locking system for swimming. Made of quality material will exceed your expectations. Easy to inflate and release for easy carrying. Separate and independent air chambers will ensure maximum safety of the child. The handles at the bottom of the wheel will give the child a sense of security and confidence. The double clasp and the seamless inside of the caster provide safety and comfort when attaching, removing and using the caster. Made of environmentally friendly PVC and non-toxic paints.