Thank you for viewing. Taketora Runback Product Overview: Taketora's "Runback" is a belt designed to firmly support the lower back. In particular, it provides a stable fit with a front width of 12.5cm and a back width of 20cm. Materials and Design: Made of polyester and rubber, it combines durability and flexibility. The simple black design matches various styles. How to Use: It firmly secures the lower back and provides support during exercise and daily life. It is especially useful for preventing and improving lower back pain. - Brand: Taketora - Product Name: Runback - Color: Black - Size: M - Quantity: 1 piece - Front Width: 12.5cm - Back Width: 20cm I have stored it at home without using it even once. I will answer any questions. Returns are not accepted. When shipping, I will fold it to be within 3cm.