1. **Enhanced Performance Efficiency**: With a backrest and made from EVA foam, this buoyancy belt increases safety during swim training while maximizing both buoyancy and effectiveness. 2. **Improved Swim Control**: This buoyancy belt has sturdy buckles and adjustable straps, which can help with swim control. 3. **Versatile Application**: Use this versatile buoyancy belt to enhance your pool or beach training. It's a tool to boost your swimming performance and is suitable for swimmers of all levels, from beginners to professionals. It provides support for training and skill development and is valuable for aquatic education and improvement. 4. **Easy Swim Aid**: Designed for all difficulty levels, this buoyancy belt is suitable for both adults and children, offering a range of styles for comfort.