2.5 – 3.0 oz (1.1 – 1.3 mm) in thickness Great leather for Arts + Crafts, Moccasins, Leather Garments, Accessories Natural Full Grain Cowside Leather Made In the USA Natural Grain is a cow leather that weighs 1.1/1.3 mm (2.5-3 oz). The leather is imported from Argentina and the finishing processes are done in the USA. The leather is famous for its soft feel that is perfect for Handbags, shoes, garments, accessories, moccassins, and arts and crafts. We have made this product available in various sizes: 10 sf (1 half of a skin), 20-25 sf (1 full skin), 50 sf (2 skins), 100 sf (4 skins).