GREAT TRAINING TOOL: Help develop upper body strength by suspending and floating your legs and correcting your swim posture. PRINCIPLE: By immobilizing the legs and mentally focusing on proper hip rotation generated by the core. EASY TO USE: Simply place the pull buoy in between your thighs to secure use a pulling leg strap to secure your feet together if you have trouble keeping the buoy in place. VERSATILE: Pull buoy is a product designed with portability, ergonomics and easy storage in mind. HIGH QUALITY: EVA foam material, skin-friendly Soft Strong and , Does not chafe or irritate skin. Description: Main Material: EVA Color: pink-white Size: . 24x12.5x8cm Package Including: 1 x Float Board Only the above package content, other products are not included. Note: Light 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.