Features 1.High elastic stretchy Lycra fabric with adhesive fastener strap allows custom tightness adjustment to perfect fit your legs.2.Soft and skin-friendly material can avoid hurting your skin, safe and comfortable for all season repeatedly long time use.3.Three packs belts in different lengths can be used for different leg positions for faster and more obvious correction effect, suitable for O or X leg correction. How To Use: 1. Place your feet against the wall, sit well, extend your arms to the maximum, grab your ankles and bend your upper body for 3 to 5 seconds, repeat 10 times.2. Lie on the ground with your palms facing up, your arms close to your back, and your back close to your chest.3. The ankle is stretched toward the head direction.4. Repeat step 2 and step 3.5. Slowly lower your legs and legs based on action 4.6. In a relaxed state, extend the whole body to adjust the breath for 5 seconds and repeat the above actions.7. 20 ~ 30 minutes exercise is recommended. Specifications Material: Neoprene+Lycra FabricColor: BlackSize: M/L/XL(Optional)( 3Pcs Each Girth) Calf Knee Thigh Recommend WeightM 33-38cm/12.9-14.9in 35-40cm/13.7-15.7in 40-47cm/15.7-18.5in 12-25kgL 35-40cm/13.7-15.7in 40-47cm/15.7-18.5in 47-56cm/18.5-22.0in 20-40kgXL 40-47cm/15.7-18.5in 47-56cm/18.5-22.0in 56-65cm/22.0-25.6in 40-60kg _x000D_window.adminAccountId=229215939;_x000D_