Safe, comfortable swim training aid designed for families and instructors Key benefits Secure practice: The built-in buoyancy body supports targeted practice of different swimming techniques while allowing natural body movement for safe, confidence-building training. Comfortable fit: Breathable material plus an adjustable strap ensures a snug, non-restrictive fit for children and adults, preventing slipping during active use. Skin-friendly and durable: Soft EVA surface reduces the risk of skin irritation. A waterproof outer layer and a stable material construction withstand regular use and support safe movement training. Practical design: Quick-drying construction and compact storage make this swim aid easy to maintain and store between sessions. What it does and why you need it Teaches and improves technique: Provides consistent, controllable buoyancy so swimmers can focus on arm and leg movements, body position, and breathing without struggling to stay afloat. Fits the whole family: Adjustable strap and universal sizing accommodate both children and adults, enabling joint training, supervised lessons, or solo practice. Ready for varied water environments: Designed for pool, lake, and sea use thanks to a waterproof outer layer and stable material architecture that handle different conditions. Materials and performance Surface: Soft EVA layer for comfort and to minimize skin irritation. Outer layer: Waterproof with a reinforced structure for reliable support during movement. Fit: Adjustable strap system for secure, customizable sizing across ages. Suggested use scenarios Swimming lessons: Instructors use the aid to isolate stroke mechanics while students work on arm recovery and breathing without buoyancy concerns. Family practice: Parents and children train together—parents adjust the strap to fit and guide technique drills in the pool or at the lake. Water fitness and open-water technique drills: Use during water-based conditioning or technique repetition in outdoor settings such as lakes or the sea. Notes Universal swim aid for targeted practice, safe movement training, and easy care.