To determine the correct size for your dog, set up an existing collar to fit as you would like your new Bespoke BioCollar to fit, and measure the internal circumference.

Select the appropriate length, and your new Bespoke BioCollar will be made up with that length as the middle hole, and two holes either side of that 2.5cm (~1″) apart to allow for a loser or snugger fit as time requires