Martingale Collar in Green Cows (Handmade in the U.S.A.) Small Martingale Collars Measure 8-12" length x 3/4" width for 10-20 lbs dogs All of our Martingale (also known as soft-choke) style collars are handmade in the U.S.A The collars are made with a strong and durable nylon core and covered with a fun, unique 100% cotton fabric pattern. All of our collars are machine washable. We use only the highest quality materials and we guarantee all of our hardware!