RC Pet Products 1 Inch Adjustable Dog Clip Collar, Medium, In a Nutshell The fully adjustable clip collar is made from soft quality webbing with a nickel plated D ring. 100% original RC Pets patterns, Proudly made in Canada. Reflective RC Pets Signature label keeps your pet visible at night Size medium adjusts to fit a neck size between 12 to 20 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.