Scraps of black cowhide leather. The first photo shows the entire amount. 520 grams. The white paper underneath is A4 size. This is glossy black leather. There are two pieces with a thickness of 3mm. There are two pieces with uneven thickness, ranging from 3 to 4mm. This is thick and sturdy leather. Stamping is possible. There are some wrinkles and scratches, but the surface is clean leather.