Custom Classic Ring of O CollarThis 1" wide leather collar is an absolute classic with a ring of O front and center. Customize it completely with your choice of leather color, your choice of hardware, and of course, your custom neck measurement. Handmade to order, made to your measurements. Provide your neck measurement to custom order this collar. The measurement you provide will be the smallest option, it will adjust 2" above that in 1 2" increments. For help with measuring,