Racing model is suitable for children, there are 3 sizes to choose from (suitable for children). Size SS, Body weight 10-15 kg. Size S body weight 15-20 kg. Size M, Body weight 20-30 kg. Certified by TISI. Otop. Produced by modern machines, strong sewing Products are delivered directly from the manufacturer's factory. From over 25 years of experience, every step of production through the QC system. The inside is EPE foam Laminated, lightweight, floating well, suitable for water activities, swimming, rowing. There is a whistle and a sanitary strap under all legs. To prevent the slippery from falling off when putting it in the water