High-Quality MaterialThe water sports floating board is made of high-quality eva closed-foam, durable, and lightweight to ensure long life when used in swimming pool water. The waterproof material is perfect for swimming. Learn swimmingMade of high-density eco friendly, odorless, high-quality EVA foam Greatly improving the buoyancy of the product, the swimming will definitely give children a safe and healthy swimming experience. Increase Children's InterestMultiply fun in design, color, variety, compact structure, and not afraid of wind and waves. Can be used for a long time, not easy to deform, and not easy to fade. Easy AdjustmentThe buckle allows you to put on or take off very conveniently, is easier to adjust, more convenient to wear according to your waist size. With Adjustable BeltWhen using, wear the swimming back floating on the waist, adjust the belt to the length that matches the waist circumference, close the insurance buckle, and start swimming auxiliary practice. Specification: Material: EVA Size Chart: 25cmx26cmx8cm/9.84inchx10.24inchx3.15inch Package Includes: 1 Swimming Back foam floating Note: Please allow slightly errors due to manual measurement and different monitors.