Safe, comfortable buoyancy that builds confidence in the water Key benefits Reduces drowning risk: Stable, supportive buoyancy helps keep the body afloat and supports natural body control, making it easier to learn and practice swimming. Suitable for beginners and experienced swimmers who want added support. Comfortable, skin-friendly fit: Soft EVA surface minimizes skin irritation and provides a breathable, comfortable wearing feel during extended use. Durable, water-ready construction: Waterproof outer layer and stable material architecture maintain shape and performance for safe movement training. Fast, reliable fastening: Water-resistant quick-release system with double-safety locking delivers secure hold during all movements and is ready to use immediately—no setup required. Family- and training-compatible: Adjustable strap designed to fit children and adults, so the same device can be used across the family or for mixed-age lessons. What it does Provides steady buoyancy to support safe floating, body alignment, and stroke practice. Lets users focus on technique and confidence-building rather than constant struggle to stay afloat. Stays comfortable during lessons or workouts thanks to soft EVA contact surfaces and breathable design. Materials and compatibility Surface material: Soft EVA for comfort and reduced skin irritation. Outer layer: Waterproof material and reinforced construction for stable performance in water. Fit: Adjustable strap accommodates both children and adults for shared use in lessons and family training. Performance highlights Immediate readiness: Use straight out of the box with no preparation. Secure fastening: Quick-release buckle with double-safety design ensures reliable hold during active movement. Stable buoyancy: Built to support natural posture and controlled floating for confident practice. Practical use scenarios Swim lessons: Ideal for instructors and learners to practice strokes, kicking, and floating without constant manual support. Family training: One adjustable device allows parents and children to train together in the pool or at the lakeshore. Water sports and open water: Suitable for use during recreational water activities in the pool, lake, or sea when extra buoyancy and secure fastening are needed. Why choose this product Clear focus on safety, comfort, and usability: stable buoyancy, soft EVA contact surface, waterproof construction, adjustable fit, and a secure double-safety buckle make it practical for training and recreational use without unnecessary setup or maintenance.