Ultrafun Swimming Safety Training Aid Kickboard Float Board Material: Made of EVA eco-friendly foam & waterproof oxford cloth & PPR plastic pipe, durable and has enough buoyancy AdjustbleSturdy and strong nylon rope can adjust the size to fit all kinds of bodies from kids to adults Balance: Two handrails improves balance while swimming and makes much easier to learn swimming Design: According to ergonomic and floating theory, designed the best structure to learn kicking and swimming with right posture Personal traniner: Help your kids to learn swimming efficiently, providing confidence in water