Full grain cow leather and high quality Zinc alloy make it durable and light weight, Feels great in hands. The rivet is fixed so the strap and buckle can't apart, More safety when use it. Size is around 5.9"x0.5", Recommended imprint size is 0.25"x1.6", Perfect as key holders, Zipper strap etc, Always easy to find your keys in your handbags, Ideal for everyone.