Martingale dog collar It is mainly for large dogs although we have them in different widths and sizes, also for small dogs. Choose the right one for your pet. This type of collar does not have a clasp and is very comfortable for pets. They are widely used for Greyhound breeds. Adjustable dog collar in fabric, it has a very resistant nylon strap inside that gives it strength and firmness for jerks and jerks. Enjoy the image of your pet and pamper him with a collar that will make him unique, as he is. Our items are handmade in Spain, in our workshop. We design and create our products ourselves, striving for quality and design.