Safety traction rope trainer-for anyone who wants to stay healthy and want to swim without interruption, swimming tether fixed swimming belt, suitable for athletes who want to exercise The paddle fins are made of durable TPE material with high strength and long service life. Strong tension, fracture resistance and toughness. Ergonomic design makes your wrist more comfortable Durable material-different from conventional stretch straps, this stretch fitness equipment provides a consistent level of resistance during each stretch to help each exercise under proper stretch Lightweight and portable-these training resistance bands are easy to carry and carry, no matter where you travel, you can carry out portable functional training to improve home or outdoor weightlifting, strength and swimming skills Simulate muscle exercise exercise-resistance band with handle allows you to aim and train swimming posture while training tone and fitness even when there is no swimming pool