Help your child learn to swim with the Intex Pool School! This Intex Deluxe Swim Vest is step 2 in the 3 step course, designed to help keep your child afloat while getting them used to kicking their feet in the water to help them move and keep afloat. A must have for any new swimmers 10 ga. vinyl, 2 quick release adjustable buckles, 3 air chambers.