Speedo Kids' Begin to Swim Classic Arm Bands One size: 2-12 yrs./max weight 110 lbs. Dual chamber heavy duty inflatable arm band for added safety and durability Bright colored and updated kid friendly shape for comfort and mobility Great for helping young swimmers build confidence in the water One size: 2-12 yrs./max weight 110 lbs. Made by Speedo, the world's #1 swim brand