Up to 75 kg weight support for broad user compatibility. Suitable for starters and users of different ages or body sizes to practice swimming skills with stable buoyancy. Swim training innovation with a sixhole ergonomic pattern. Provides diverse grip options to support proper swimming form and targeted activation of different hand zones. Improved arm coordination through coachinformed design. Helps develop core strength and coordinated arm movements to support skill progression for young swimmers. Durable elasticity EVA material. Flexible yet strong, it retains its shape and resists damage to support extended swimming practice. Function and performance: a reliable training aid that supports technique development, grip versatility, and longterm use in swimming practice. Size and compatibility: designed to accommodate a wide range of users up to 75 kg, suitable for youth and adults during swim training sessions. Materials and build: elasticity EVA material chosen for flexibility, durability, and shape retention to withstand regular pool use. Use scenarios: Beginner swim lessons: use to learn kicking basics and arm movements with stable support while focusing on form. Youth training sessions: incorporate the sixhole grip options to vary drills and target different hand zones for better coordination. Regular practice and conditioning: integrate into drills to build core strength and improve overall arm coordination during extended practice.