Adjustable Design The buckle swimming strap features adjustable shoulder straps that quickly set the proper length and tightness. Suitable for adults and children, it provides a strong, safe and reliable foundation for swimming practice and training. Swimming Auxiliary Tool This back float serves as a training aid for beginners, helping to create a safe and reliable swimming experience and supporting faster progress in learning and practice. Material and Build Made of selected EVA foam blocks, the belt is safe and lightweight. The backrest offers extra support and buoyancy, enhancing safety during swimming training. Comfortable to Wear The belt includes a removable back panel and adjustable buoyancy. Tie it around your waist to find the most comfortable position for your posture and habits. Buoyancy can be adjusted by removing sections of foam. Key benefits Adjustable fit for all ages and sizes, promoting secure and stable swimming practice Back float design provides reliable buoyancy and support for beginners EVA foam construction is safe, lightweight and buoyant Removable back panel and modular foam allow customizing buoyancy and comfort Use scenarios Beginner swimming lessons in a pool: adjustable fit and buoyancy help learners gain confidence while maintaining proper posture Family swimming practice: suitable for both adults and children, with easy adjustments for different swimmers Water rehabilitation or lowimpact training: stable buoyancy and back support aid safe, controlled workouts Specifications and attributes Material: EVA foam blocks Backrest: backrest for extra support Buoyancy: adjustable by removing foam sections Fit: adjustable shoulder straps with quick length and tightness adjustments Wearability: waist belt design with removable back panel for comfort This description remains consistent with the original product's design, materials, and functional features, while presenting clear, customerfocused benefits and practical use scenarios.