100% New and High Quality. Features: 1. Made of high-quality polymer fibers and diving fabrics, it is soft and skin-friendly, light and breathable, fits the human skin, and is comfortable to wear without affecting normal movement. 2. Effectively help you improve various leg problems, such as circle legs, O-shaped legs, X-shaped legs, bow legs, splay legs, knee valgus, knee varus and so on. 3. Both adults and children can use it, suitable for work, walking, resting, sleeping, watching TV, doing housework, going to school, class and other occasions. (Crowd 2-50 years old) 4. The foot socks are designed with triangles, which are more durable and beautiful, and are compatible with different leg shapes. Specifications: 1. Material: special high carbon material, neoprene polymer fiber, diving fabric 2. Color: Black and Red 3. Size: S suitable for height 90-130cm, suitable for waist: 40-50cm, suitable for weight 15-35kg M is suitable for height 130-170cm, suitable for waist 55-70cm, suitable for weight: 35-55kg, L suitable for height 155-180cm, suitable for 65-95cm, suitable for weight 55-75kg 4.Package size: 28*16*6cm (X-shaped legs) wearing method: 1. Fasten the belt; 2. Tie knots on the outside of the legs and put on socks; 3. Press the knee on the inside of the leg and straighten it upward; 4. Cross the strap over the outside of the leg. (O leg) wearing method: 1. Wear foot socks that are knotted on the inside of the legs; 2. Press the knee on the outside of the leg and straighten it upward; 3. Cross the inside of the drawstring legs; 4. Tighten the straps. Note: 1. Choose the size according to your height, weight and waist circumference, it should not be too large or too small. 2. The buttons and foot cover are thick, the foot cover cannot be adjusted, and there is no fixed belt for the knee. 3. Applicable crowd: over 2 years old and under 50 years old. 4. Washable, not machine washable, hang to dry. Packaging list: 1* Black & Red Leg Correction Strap 1* Chinese manual