Cow Leather Scraps For Sale 80% of scraps are full grain. SIZE From 1 square foot to 10 square foot. 70% of the leather is 1.4 - 1.6mm thick. Some is from work boot cutting 2.0 - 2.2mm thick. And some for lining 0.7 - 1.0mm. Mostly Black, Chestnut or tan colours. All leather meets international REACH standards. 8 ton per month.