Material: nylon + polyester Suitable weight: S size 40-27.5 kg, M size 55-45 kg, L size 90-60 kg, XL size 120-70 kg, XXL size 140-75 kg, XXXL size 150-80 kg Adjustable StrapsThe Core Corex Instant Posture Corrector comes with adjustable straps that allow users to customize the level of support and compression according to their comfort and specific needs. Webbing DesignInnovative twin cross belts intelligently emphasize spinal alignment, promoting perfect posture without restricting your movements and ensuring complete freedom Ergonomic DesignDesigned to conform to the natural curvature of the spine, the posture corrector features an ergonomic design to provide effective support to the upper back and shoulders. Easy to WearThe design involves easy-to-use straps or clasps, making the posture corrector simple to put on and take off without assistance. VersatilityOur adjustable posture correctors are versatile and can be worn during various activities, including sitting at a desk, standing, or engaging in light physical activities.