This listing is for One Brand New Safety Sealed Back Brace and Posture Corrector for Women and Men, Adjustable And Lightweight Posture Corrector Back Support, Scoliosis and Hunchback Correction, Relief Back Pain, Provides Support And Shape For Neck, Shoulders And Back (Medium/Large) as shown in the photo above. Size: Medium/Large Per the Manufacturer Fits Waist Size 36" - 41". Per the manufacturer, they have the following features and benefits: ALLEVIATE BACK PAIN AND ENHANCE POSTURE - Most posture correctors primarily target the alignment and support of the shoulders, delivering relief from back, neck, and shoulder discomfort while effectively enhancing posture. By neglecting spinal realignment, prolonged sitting during work or office hours poses a significant risk of causing irreparable damage to your back. Designed for both men and women, this posture corrector for the upper and lower back aids in training proper posture and promoting the overall well-being of your spine. DUAL FUNCTIONALITY: POSTURE CORRECTOR AND BACK BRACE IN ONE - Experience the best of both worlds with this innovative product that combines the benefits of a back support and posture corrector! Its "X"-shaped cross-back straps offer exceptional support for your back and shoulders. Equipped with four removable fiber bar support poles, this adjustable back brace for posture aids in aligning your back, strengthening the neck and shoulders, and promoting a healthier lumbar spine. Witness remarkable results in terms of improved body shape and posture through its effective usage. EASILY ADJUSTABLE AND EFFORTLESS TO WEAR - The SHAPERKY posture brace for women and men ensures hassle-free wearing, allowing you to effortlessly put it on or take it off without any assistance. Unlike alternative options, our straps can be easily adjusted to accommodate individuals of all body types, including women, men, and children, thanks to the modified band length for enhanced suitability. Experience the convenience of our sturdy and user-friendly back straightener posture corrector. SUPERIOR COMFORT WITH LIGHTWEIGHT, BREATHABLE FABRIC - Our back support is crafted using soft and breathable fabrics, including a breathable mesh panel, to prevent stuffiness and excessive sweating on your back while wearing a back brace. Unlike many cheaper alternatives that can cause discomfort and skin irritation, our back straightener posture corrector boasts a shoulder-wrap design that guarantees exceptional comfort. With its breathable features, it remains suitable for summer wear, providing you with the utmost comfort and ventilation.