RC Pet Products Training Martingale Collar, Secret Garden Limited slip corrects dogs in a gentle manner and the side buckle provides an easy on/off solution. Reflective RC Pets signature label and stitching is visible up to 25 meters, Proudly made in Canada The collar is made from soft quality webbing with a nickel plated D ring. Size medium adjusts to fits neck size of 9 to 14 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.