This is hand cut out of 5 oz. vegetable tanned leather custom leather key fob with a hand tooled STL, stained in red and brown The other side is stamped with the Nerd Culture Leather Logo. It is made from vegetable tanned leather that has been dyed. The leather part of the key fob is 2 1/4" wide x 3 1/4" long with a 1 1/4" silver metal split ring. Because these are hand cut and tooled the shipping turn around can take 2 to 3 weeks.