Enhanced buoyancy with back support Made of quality EVA foam with a backrest for extra support, providing effective buoyancy to support safe swimming training Durable, adjustable construction for precise buoyancy Built with sturdy nylon and equipped with adjustable belts and secure buckles Buoy placement is designed to offer stable performance in a variety of water conditions Versatile for pool and beach use Designed to enhance swimming lessons and beginner skill training Suitable for water education programs and professional coaching trainings to support instructional workflows Alllevel flotation aid Tailored for adults and children alike, offering multiple styles to match individual comfort and fit 23 practical use scenarios Swimming lessons for beginners in a pool: provides reliable buoyancy and back support to help learners focus on stroke technique and body position Water education and coaching sessions: offers stable buoyancy for drills that simulate different swimming challenges Family pool or beach activities: suitable for both adults and children, offering comfortable flotation during practice and play Key attributes Function: buoyancy belt with backrest for support; stable buoyancy Material: EVA foam core with nylon exterior Size/fit: adjustable belts to accommodate adults and children Performance: stable, controllable buoyancy suitable for lessons, education, and coaching Compatibility: designed for pool and beach environments, adaptable to various training needs