Adjustable up to a 17.5 inch circumference neck via metal buckle fastenings, this industrial grade collar and leash set is designed for those that like to play hard! Made from high quality genuine leather, this set will have your sub begging for more and obeying your every command. The thick 16 inch long metal chain connects to a chunky trigger hook which then attaches to the collar via a metal D-ring. The other end of the chain attaches to a sturdy leather gripping handle ensuring that you are in complete control of your pet. One size fits most.