Description: Two Style For choose: 1. For Kids: two-in-one design, for height below1.5m, Expanded size(LxWxH): 65x55x32cm, weight about 620g. 2. For Adults: Three-in-one design, for height above 1.5m, Expanded size(LxWxH): 80x72x41cm, weight about 820g. Manually inflated air pump can add more pressure on the leg sides, easy to control with self operation for custom traction enjoyment and more obvious correction effect. Detachable aluminum strips enable solid construct and reliable support without easy deformation, durable for long time use. Design with multi belts in different lengths can be used for different leg positions, suitable for O or X leg correction. High elastic stretchy fabric with adhesive fastener strap allows custom tightness adjustment to perfect fit your legs, skin-friendly nylon material can avoid hurting your skin, safe and comfortable for all season repeatedly long time use. Specification: Material: Nylon Fabric Color: Black Type: For Adults/For Kids(Optional) Size Chart: For Kids Expanded size(LxWxH): 65x55x32cm/25.59x21.65x12.60inch For Adults Expanded size(LxWxH): 80x72x41cm/31.50x28.35x16.14inch (optional) Package Includes: 1 Set Leg Correction Belt kit Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping! 4. About 1.5 hours a day for the first two weeks, mainly based on leg adaptation and cultivating habits and then gradually increase the tightness. After the adjustment, please keep using it more than 30 minutes each time and about 2 hours a day. The treatment cycle is about 2-3 months.