The Hardbody 10mm Bodybuilding Belt is made from 100% full-grain leather, with a nubuck coating. Complete with size adjustability to ensure a proper fit while performing exercise. Made from premium high grade material, ideal for power lifting, bodybuilding and weightlifting. Technical Details: All lifting belts are 10mm thick and made from full-grain leather. Small belt will fit: 24” - 32” (610mm x 813mm) Medium belt will fit: 29” - 36” (737mm x 914mm) Large belt will fit: 32” - 40” (813mm x 1016mm) XL belt will fit: 36” - 44” (914mm x 1117mm) Product Materials: Nubuck Leather: Cowhide leather is a strong and durable type of leather that is well-suited for use in powerlifting lever belts. Stainless Steel: Stainless steel is a type of metal that is highly resistant to corrosion, staining, and tarnishing. Nubuck: Suede has been used to create our bodybuilding belts because it’s soft, flexible, and comfortable to wear. It’s also durable and resistant to wear and tear. Product & Material Care Avoid throwing or dropping the belt when removing, as this can cause damaged to the belt. How to clean the belt: Use a soft suede brush to clean the nubuck leather, to remove any marks and stains.