About this item Dual Airbag ProtectionThe swimming arm buoy has two airbags. This design provides double protection for swimming students. Construction with main and additional air chambers provides two layers of buoyancy to keep you above the water. Thickening DesignMade of thickened eco-friendly PVC material. Harmless to health and durable. Soft, skin-friendly polyester fabric provides extra comfort and prevents chafing or sticking to the skin. Beginners at sea or playing in the pool are well protected. Safety FirstDouble airbag design, safer and more comfortable, with perfect buoyancy, can protect children from playing in the sea or swimming pool. Bright colors make you more visible and increase your safety while swimming. Portable and LightweightDual safety valves make it easy to inflate and deflate the swimming aid, saving you time. Comfort valve for fast inflation. You can easily inflate and deflate. After deflation, it can be folded into the corresponding luggage without taking up your storage space. Ideal Swimming ToolIdeal swimming aid for beginners, toddlers and babies, also available for adults. Children can move freely without restrictions. These bracelets are sized for children from 4 years old and the maximum weight the swim arm can hold is around 80kg.