The strap is made of imported Mihe crocodile, certified with the China Wildlife Management Special Mark CNWM crocodile leather. It is hand-dyed and polished for three days before the leather surface is smooth. It is water-dyed and polished by hand for three days before the leather surface is completed. Smoothness, all edges are fully hemmed and hand-sewn to better reflect all the details and difficulty of the craftsmanship.