Features: High-quality materials, soft, high elasticity, easy to stretch, no deformation, suitable for long-time wear. Available in 3 sizes to suit different body heights; suitable for men, women, and children. Comfortable and adjustable with a secure buckle; the high-elasticity correction belt provides proper support. Dual-use design allows freedom of movement during the day with shoes, does not affect daily activities or growth. Supports balance and leg strength improvement during nighttime use. Specially designed to help correct leg shape, such as O-legs and X-legs; a physical traction therapy aid to help correct leg curvature caused by poor posture. Specifications: Materials: OK Cloth, Polyester Size S (1-5 years): Total Length: 67.5cm (26.57 inches), Length: 20.8cm (8.19 inches) Size M (6-12 years): Total Length: 92cm (36.22 inches), Length: 21cm (8.27 inches) Size L (13 years and above): Total Length: 117cm (46.06 inches), Length: 21.5cm (8.46 inches) Package Includes: 1 Piece O/X Leg Type Correction Belt Note: Please allow 1-2cm measurement deviation due to manual measuring. Due to differences between monitor displays, the image may not reflect the actual color of the item.