MATERIALImported non-toxic and environmentally friendly PVC material with hemp surface anti-skid texture thickened and customized,not easy to be damaged and longer service life.[DESIGN]The thickness of the auxiliary swimming equipment is 0.3mm,which can ensure that the airbag is more durable.The airbag is composed of two airbags,so the safety factor is higher. When one airbag is damaged,the other can continue to float.The hole of the inflation hole is a one-way air inlet.After pinching,deflate to prevent danger from air leakage.[EASY TO USE]The hydrofoil swimming buoy has no scratches,is easy to put on and take off, and the lightweight inflatable design is easy to carry,easy to blow up and deflate,easy and fast.[PERFECT FIT]It is very suitable for beginners.It can be worn on the arm before adding air.You can adjust the pressure of the airbag according to your needs and fit it perfectly on the arm.[USES]Swimming aids can be worn by children in the sea,in the lake,in hot springs,and in swimming pools.It is a good tool to assist in learning to swim.