This is an adjustable lumbar support belt/corset made with mesh material and stretch fabric. I purchased it this year at a university hospital, but my back pain has improved, so I no longer need it. I used it for about 3-4 days, and it still functions well. ... Size: S-M (Suitable for women, or men with a waist up to approximately 76cm) Total width: 86cm Back support height: 18cm Belt width: 12.5cm - Type: Lumbar support belt - Material: Mesh and stretch fabric - Design: Striped design - Size adjustment: Adjustable straps with Velcro It's in good condition with little use, but it is a used item, so please only purchase if you understand this. If you have any questions, please ask in the comments. Instant purchase is OK. I will ship within 24 hours. Thank you.