Cow Split Leather, Full Chrome cow crust leather, Semi-chrome cow crust leather, Full vegetable cow crust leather, Semi vegetable cow crust leather, Lining cow crust leather, Drum dyed cow crust leather, Chrome-free vegetable tanned cow crust leather, Chrome and vegetable free cow crust leather Grade: A/B/C/D Thickness: 0.8-1.0 mm,0.9-1.0 mm ,1.0-1.1 mm,1.0-1.2 mm,1.1-1.2 mm,1.1-1.3 mm,1.2-1.4 mm(sides),1.1-1.3 mm (sides) Colour: Natural White, Beige, Black, Brown, Tan, Grey, Red, Burgundy etc any drum dyed colour