AZSPORT One Piece Pull Buoy Training Aid, Perfect Swimming Tool to Improve Balance and Water Resistance, Black and Blue Improves your upper body strength by limiting leg movements while promoting proper body positioning so you can focus on the proper technique. Size is 8.5" x 3.2" x 4.8", may appear larger on photos. Helps increase swimming speed and water resistance allowing you to concentrate more on your breathing pattern and arm position to make you get more out of your training. Perfect training aid for kids and works for adults, too. Include in your water workout to get your arms in its best shape as it helps burn calories while you gain flexibility, balance and muscle symmetry. Created with a 3-layer design for maximum buoyancy and made of soft, durable and high quality EVA foam that was designed to fit securely between the legs providing you with ultimate comfort and stability without irritating or chafing your skin. Get the best value training pull buoy for an enhanced swimming experience at no risk only from AZSPORT. If for any reason, you are not completely satisfied, let us know and we will give you 100% of your money back, guaranteed! Order yours now!