Ideal for: woodworking, jewelry, metallurgy, ceramics, weaving, baristas, bartenders, engravers, leather goods and bicycle mechanics. Cotton-sized ties for a large range. The removable leather neck strap of American origin makes the bleaching of a cinch. 14 oz heavy canvas or 13 oz denim for durable wear and protection. Regular size - 29.5 w x 31t w/ two 38 size ties.Suitable for up to 40 (men) denim size, or 20 (women) dress size. Size xl - 37\"w x 37\"t w/ two 52 size ties. This item is made of cotton.