Canine Equipment Technika All Webbing Martingale Dog Collar Made from ultra-soft climbing grade tubular webbing. Stainless steel D-ring provides a strong attachment point for a leash or an ID attachment Limited slip action prevents over-correction and choking. Reflective Canine Equipment Signature label keeps your pet visible at night, proudly made in Canada. Size medium adjusts to fit a neck size between 14 to 18 inches RC Pet Products stands behind the legendary quality and craftsmanship of their products. Thats why they are committed to offer a repair or replace guarantee on all their products - broken or damaged - for the life of your pet. Please find guarantee information on RC Pet Products website for all purchases after 30 days.