Size: L Product Use/How to Use: Posture Correction Purpose: Body Target Age: Adult About this product: 【Back Support & Powerful Support】After years of research to improve back discomfort and postural distortion, we have finally developed this back support. The wide support area provides greater stability by fixing the waist and pelvis. The elastic design on both sides of the back support body fits the waist firmly and provides strong support. 【Pulley Design & Removable String】Unlike conventional back supports, this back support adopts a pulley design. With 12 movable pulleys that double the pulling force, you can adjust the size simply by pulling the straps, making it easy to wear for anyone. The string is removable from the strap, so you can remove it and adjust it to the appropriate length according to your needs. 【Posture Improvement & Back Protection】Poor daily habits can easily lead to muscle fatigue. As a result, the balance of posture often unconsciously collapses. This back support tightens the waist, naturally straightening the back, consciously maintaining the correct posture, and improving back discomfort and postural distortion. In addition, wearing this back support can firmly protect the waist 360 degrees and prevent back injuries. 【Comfortable to Wear, Active in Various Scenes】This back support uses breathable mesh material. The mesh structure design allows for faster airflow. It is highly breathable and provides a comfortable fit even in summer, and can be worn all year round regardless of the season. This back support can be used in various situations such as carrying work, running, office work, and yoga. It will always protect your health anytime, anywhere. (Note: Because the Velcro has strong adhesion, do not stick it to the breathable mesh material. It can easily damage the back support!)