Features1Convenient hook & loop, stick firmly and not easy to loosen, knee protection pad, protect knee friction. 2Three ? stage separation design at the same time, uniform force arbitrary adjustment position. 3Help you correct bad walking habits caused by the formation of ugly leg curve. 4Balances your leg muscles to make your legs straight. Convenient to use. 5Can be used when watching TV, studying, sleeping and resting, easy to use.SpecificationCondition: 100% Brand NewItem Type: Leg Correction BeltMaterial: PET polyester fiber + polymeric fiberSizeAnkle BeltCalf BeltThigh Belt M40cm / 15.7in46cm / 18.1in50.5cm / 19.9inL45.5cm / 17.9in51cm / 20.1in55.5cm / 21.9inXL50cm / 19.7in57cm / 22.4in64.5cm / 25.4inXXL55cm / 21.7in62cm / 24.4in69.5cm / 27.4inUsage:1. Place the belt flat 2. Fix the bare foot position first3. Fix the lower leg position again4. Fix the thigh positionFeatures:1. This product will help you correct the ugly curve of your legs caused by bad walking habits.2. Balances your leg muscles to make them straight.3. The recommended gymnastic exercises will have a better effect.4. The effect is better when used for a long time.5. It can be used when watching TV, studying, sleeping and restingWarm Tip: Because everyone's leg thickness is not the same, it is suggested that if you know your leg shape is thicker than normal people, it is recommended to choose a bigger size! (M size is special for children) Package List1 x Thigh Belt 1 x Calf Belt 1 x Ankle Belt 1 x Knee Pad