Leather belts made of high-quality vegan leather. The leather stripes are 0.8"/2cm wide and 0.08"/2mm thick. The size is adjusted (from XS to XL) with roller buckles and holes on the straps. The rollers helps facilitate the slip of the strap through the buckle, in order to protect the skin.The rivets used to fasten the belts are made from brass and have an environmental zinc plated coating, protecting from rust. The rings that connect the belts are made of a solid steel wire 0.16"/4 mm thick with a high quality zinc coating. The ends of the rings are welded together.