The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom’s policies and EU Product Safety and Compliance laws. Features 1.Provides gentle back support to correct incorrect posture, prevent the progressive spinal curvature and change the bad habits of kyphosis, also relieve back pain and lumbar pain 2.Breathable material and delicate stitching work can enable enhanced air ventilation to avoid stuffy feelings, comfortable enough for all season wear. 3.Non restricting uni-sex design with flexible loop type adhesive fastener straps to fit for most children, ideal gift to show your love and care for your little boys and girls. 4.Quick to release and 2 size variations allow for custom fit and wearing convenience, dual resin strips will ergonomic fit the back curve for long lasting support to distribute pressure. Specifications Material: Polymer Fiber, Polyester, Spandex Color: Blue/Pink(Optional) Size: S, height: 115-130cm, Waist: 53-59cm，weight：15-25kg Size: M, height: 130-145cm, Waist: 56-66cm，weight：20-35kg Size: L, height: 145-158cm, Waist: 58-70cm，weight：30-45kg Size: XL, height: 158-168cm, Waist: 66-78cm，weight：40-55kg Caution: 1. Do not forcefully truss up unreasonably; 2. Every 1-2 hours of use, please unwind and relax for 10 minutes; 3. Please wash by hand and use neutral detergent; 4. Do not expose to sunlight. When drying, place it in a cool place to dry naturally; 5. Please remove this product while sleeping. Package Included: 1* Adjustable Back Posture Corrector Product type: Orthopedic Corsets & Posture Correctors