DUAL SIDED Smooth plastic on one side and soft foam on the other side to ensure smooth sliding across multiple surfacesENGAGE YOUR CORE Core Sliders challenge your core and use on your feet or with your hands Target different areas of your coreHOME GYM The ideal addition to your home gym Core Sliders can be used with existing gym equipment and works perfectly with the BOSU Balance TrainerSTORAGE Space saving design makes the BOSU Core Sliders easy to store and transportCARE BOSU Core Sliders can be wiped clean with any disinfectant wipeWILL NOT SCUFF FLOORS BOSU Core Sliders will not scuff floorsSIZE Each BOSU Core Slider is 7 inches in diameter