●Material: Made of soft fabric, no need to inflate before swimming. Just dive into the water after wearing ●Size: Designed for kids from 30lbs to 50lbs ●SAFETY: Swim vest with armband keeps kids head and arms safe to the surface of the water while learning to swim ●COMFORTABLE TO WEAR: Appropriate size and comfortable soft fabric bring more joy during play ●Guarantee: If you are not satisfied with your purchase, we will give you a full refund