Features: Integrated design, light enough but also provide huge pulling back strength for shoulders. Adjustable stick straps allow proper adjustment chest circumference for optimal fit. Made of high quality extra soft and breathable neoprene, even can be worn comfortably under clothing, designed in such a way that you can wear it all day without any iue. No help from others required to put on or take off, the only brace that you can adjust by yourself, simply pull the straps to be tightened and lift the buckle up to relax the straps. This posture brace works by training your muscles and spine to return to their natural alignment, reduce back pain cause by bad posture. Specifications: Material: Non-woven Color: black/gray Size: 260*240*80mm Package Included: 1 x Upper Back Posture Corrector Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3cm measuring deviation due to manual measurement.