Swim training aid made from breathable, skin-friendly EVA with an adjustable strap and quick-release buckle. Designed to provide targeted buoyancy so swimmers can practice strokes and body position safely and comfortably. Key benefits Safer, more effective practice: The integrated buoyancy body supports correct body alignment and lets users focus on specific swim techniques (kick, arm stroke, streamline) without compromising mobility. Comfortable for long sessions: Breathable material and a low-weight design reduce chafing and fatigue, while the skin-friendly EVA surface minimizes irritation. Durable and water-resistant: Tear-resistant construction and reliable waterproofing preserve performance session after session. Fits children and adults: The adjustable strap adapts to different body sizes, enabling family training and shared use. Fast and secure handling: The intuitive quick-release buckle makes putting the aid on and taking it off quick and safe. Function and materials Material: High-quality EVA for soft contact with the skin, resistance to wear, and consistent buoyancy. Fit: Adjustable strap with secure fastening for a comfortable, ergonomic fit during swim drills. Performance: Provides targeted lift to isolate technique work while maintaining natural range of motion. Practical use scenarios Swim lessons and technique drills: Use in swim school or private coaching to help beginners learn body position and experienced swimmers refine kick and stroke mechanics. Family training and water recreation: One device adapts from small children to adults, so parents can supervise and practice together in pools, lakes, or at the seaside. Fitness and rehabilitation: Support for low-impact aquatic exercise or supervised rehab sessions where controlled buoyancy and comfort are required. What makes it stand out Combination of lightweight, breathable comfort and tear-resistant EVA construction balances comfort and durability. Adjustable, child-to-adult fit and quick-release operation reduce setup time and increase usability across age groups and activity types. Compatibility and environments Suitable for use in pools, lakes, and the sea. Intended for swim instruction, water sports training, family use, and low-impact aquatic exercise. Includes: adjustable strap and quick-release buckle; buoyancy body constructed from skin-friendly EVA.