Physical Fitness Disk Work Out Board Feature: new and It can enhance posture, stability as well as help to reduce waist. It can also be used for torsion healing or prevention. It will be great and effect matched with the music Compact portable design, ideal for workout at home A great help to keep, slim and How to use: Before using ,please drink 200-500CC warm boiled water to stimulate the circulation of to gain a better effect. Put your feet on the waist-twisting device, your waist and abdomen at the left and right sides, meanwhile keep your both arm's. It will be a normal and a good effect gymnastic exercise if the color of urine becomes or the temperature of the human body gets high. You should in the exercise of twisting waist, thus it can a sturdy and strenuous effect on your body. Specifications: Material: PVC Diameter: app.25cm/9.85'' Quantity: 1 Pc Carrying capacity：≤100kg Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. ! Package includes: 1 x Waist Disc Board