Assembly Method; Press the one touch button on the body, and assembly orderly according to appropriate colors. One who first experiences exercise with the hoop or feels strongly pressed by its projections can enjoy the exercise smoothly by attaching sponge stickers inside the projections. <Caution for Use> Those who use the hoop first may have some bruise, pain or itch on the abdomen or the waist due to massaging and pressing by projection of the product. ? In this case, wear a training uniform and control the strength of exercise. Be careful not collide with children or objects around you during exercise. Do not use the hoop if you are a pregnant woman or an old and feeble person or if your joints, back or waist is not in good condition. Do not disassemble the projections. ? The color of the product is subject to change. Product weight: 4 lbs