describe Size: S,M,L,XL,XXL Features ULTIMATE POSTURE CORRECTOR: Our back brace is designed to provide optimal support and alignment for your spine, promoting good posture and reducing the risk of back pain. It's perfect for people with slouched shoulders, a hunched back, or an uneven spine. Unique & Flexible Webbing Design: Innovative double cross straps intelligently emphasize spinal alignment, promoting perfect posture without restricting your movement and ensuring complete freedom. ADJUSTABLE & COMFORTABLE: The back posture corrector bracket is adjustable, allowing you to customize it to fit all body types. Made of soft and breathable fabric and ergonomic design, it is comfortable to wear for long periods of time. Dual Action Support: The back posture corrector brace applies compression and decompression to the spine, promoting better blood circulation and reducing muscle tension. It helps reduce back pain, improve posture, and increase overall body comfort. Easy to use: The back posture correction strap is easy to put on and take off. It's ideal for people who sit or stand for long periods of time and for people with back or neck pain. The adjustable back posture belt is perfect for the office, home, gym and everyday wear. Comment: 1. Manual measurement tolerance is 2-5g. Please don't mind your substitution. 2. Due to differences between different monitors, the image may not reflect the actual color of the item. Thank you so much! 3. SKU color is the color of product packaging Package Included: 1 * Back Corrector