Arm waistband float is designed for kids to learn swimming, helps them to keep balance in the water. Adjustable strap of flotation could fit 28-70 pounds kids from 2 to 8 years old. Float arm vest is easy to wear, simply pull over arms and buckle up. It is suitable for swimming pools, beaches and lakeside. Lovely feature helps kids play with more freedom and confidence in water. The float arm vest is only using to adapt the child's level to learn swim. Freedom of movement for arms and shoulders wearing make them strong and flexible. It is only swimming aid float for kids, use under adult supervision. weight: 0.484 pounds.