This is a nylon neckpiece only. It has a ring to attach a lead to. The nylon thickness is 3/16". It has a bead to slide down to tighten the neckloop. It will fit an 18" head. If you need it larger, please specify in the special instructions box. It will come with a silver ring.
These come in a slip, kindness, martingale or martingale kindness style. Different prices for each style.