1.Back floats can increase children's body buoyancy, provide good buoyancy support, help children or beginners maintain balance, and allow them to learn to swim quickly.2.The strap design helps children adapt to swimming, move their arms freely, and play alone by the swimming pool, making learning to swim easier and safer.3.The swimming belt is equipped with a safety buckle design for easy adjustment and fixation. Just press the black button by hand and squeeze the safety clip toit. It will not slide out or loose easily to ensure safety.4.This swimming pool float is made of durable Eva foam material, which is skin-friendly and comfortable, has waterproof properties, does not absorb water, is not easy to break, and is wear-resistant and durable.5. It is light in weight, suitable for children to learn to swim or play in the swimming pool, easy to carry and store, and will not cause too much pressure on the body.