This swimming buoyancy equipment is made of high-buoyancy eco-friendly material with stable and even buoyancy, effectively helping beginners maintain balance and improve swimming safety. Suitable for both adults and children, it fits comfortably without tightness, ideal for pool practice, water entertainment and beginner training. Waterproof and wear-resistant, not easy to leak or deform, it ensures safe use, greatly reduces choking risks and makes swimming learning easier and more efficient.