Description: 1. Fully adjustable, invisible, thin, elastic, comfortable and easy to carry. 2. Main material is TPU. Correct your posture and restore a healthier height to your body. 3. Reduces back pain, widens and sinks. Contribute to growing development. 4. sticker closure, easy to wear and get off. 5. Great for men and women or kids bodybuilding, for daily office clothes. How to wear: 1. Adjust the back to fit the tightne of your shoulder according to the shoulder width; 2. Direct wear. Precautions: 1. Do not bleach. 2. Please wash by hand and dry in a cool place. 3. Do not use the dryer to dry. 4. When wearing, do not pull too much to avoid damage. 5. Do not wear to sleep. Specifications: Gender: unisex adults and kids Color: black, white Material: TPU + fiber + PU Closure type: sticker Feature: invisible, thin, elastic Package size(approx.): 15.4 X 5.6 X 23.9cm Size(approx.): S, M, L Size Suitable Weight Shoulder Width S 17.5-35kg 20-25 cm M 23.5-60kg 25-30 cm L 60-84kg 30-35 cm Package Included: 1PC * Back Correction Belt Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2cm differences due to manual measurement.