【Premium Neoprene Material】 Made of top quality neoprene, which is wear comfort, very durable and easy to clean. Its buoyancy up to 40kg/90 lb, and soft binding help you to prevent rubbing. It give kids more confidence in swimming learning.【Bult-in Flex-Form Pads】Balanced flotation and designed to place child in the prone swim position. And adopts jacket style wraps around the child's torso and keeps arms free for swimming. It provides level 2 promotes confidence and play, and help your child in feeling comfortable in the water.【Comfort & Safety】kids swim vest comes with an adjustable crotch strap that ensures a snug fit. With adjustble chest safety strap with quick release buckle, covered heavy-duty zipper and padded shoulders for comfort and safety, very easy to wear for kids.【UPF50 Kids Life Vest】With comfortable, soft fabric form-fit vest designe for propeling your kids forward to promote use of arms and legs and swim position. It is Sun Protective UPF50 Fabric Keeps your kids upper body safe from the sunburn.【No Worry Risk】Recommended for Ages 7-12 Years, Up to 41-50 lbs. If you are not 100% satisfied with kids life jacket, please contact us feel free, we'll refund or replace it.