●Material: North American steerhide (synthetic cowhide leather). It has less wrinkles and scratches and feels good on the skin ●Tanning Agent: 100% vegetable tannin. Remove unpleasant raw leather smell, enjoy the original smell of tanned leather ●Leather Rating: Luster: Slightly weak, Oil: Normal, Hardness: Normal, Aging: Normal ●[Size|Thickness] A3 size 16.5 x 11.7 inches (420 x 297 mm ± 0.5 mm) | 0.08 inches (2.0 mm) ± 0.009 inches (0.2 mm) *The blade movement may be slightly misaligned due to the thickness of the leather ●We conduct high standards of inspection and quality ranks, so we will deliver the original texture of leather