Made from High-quality EVA Material Our pull buoys are made from high-density EVA foam. It's extremely and long-lasting. The comfortable also makes sure that your skin is free from scratches. Multiple Ways To Use: One type of swimming splint and three methods of use will allow you to continuously improve your swimming skills, help you correct your swimming posture, and let you learn to swim quickly and enjoy the joy of exercise. Improve Swimming Skills: EVA material has strong buoyancy, help you correct your swimming posture, and let you learn to swim quickly and enjoy the joy of exercise. Swimming Training Aid: The Swim Pull Buoy Board is a great swimming aid to train your upper body in the water. It keeps your legs afloat so that you can focus on your arm stroke technique. Material:EVA Colour:Yellow+White Package Contents: 1x Ankle Buoy Swimming Training Aid Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.