This is a set of three A4-sized vegetable-tanned leather pieces. Thickness is approximately 2.0mm. This is natural leather that has not undergone any processing such as oil tanning, saddle leather treatment, or shrinking. Ideal for those who want to enjoy aging, and also suitable for stamping. Easy to use and manage A4 size, so why not get some for stock? Leathercraft, vegetable tanning, natural leather, Uses...Leathercraft Color...Black