Improve Swimming Skills: By increasing water resistance during swimming, this tool helps swimmers build muscle strength, improve posture, and increase speed. Safe and Effective: Provides stable resistance training effects without safety hazards; a safe and effective swimming training tool. Durable and Portable Design: Features 360degree rotating quickrelease buckles for secure, durable performance with flexibility and twisting. Comes with a storage bag for easy portability. Comfortable Fit and Materials: Made of nylon and PP components for a comfortable fit. The tough nylon webbing offers good wear resistance. Practical Use Scenarios: Use during lap swimming workouts to add resistance and build strength and speed. Employ during technique drills to promote better posture and stroke efficiency. Easy to transport for poolside training at gym or home pool, thanks to the included storage bag.