Yeti Leather Products We are manufacturers & exporters of fine quality leather accessories. We use top grain buffalo calf leathers of finest quality for all our accessories. At all four stages (Raw, Wet blue, Crust, and Finished) of tanning, each piece of leather is checked for quality. Buffalo calf leathers have very special natural grains & two tone transparencies. Buffalo full grains, being totally natural reveals the depth and character of leather