Aqua-Leisure SwimSchool Dual-Chamber Arm Floats offer kids balanced flotation when learning how to swim. Design ensures free movement while swimming. Dual air chambers with leak-proof valves increase safety and allow easy inflation. SwimSchool Dual-Chamber arm floats are recommended for kids weighing 30-55 lbs. Balanced flotation for beginning swimmers Dual air chambers with leak-proof valves Recommended for kids weighing 30-55 lbs.