Handmade in the US. Collar is made of high tensile strength nylon with sewn on polyester/nylon ribbon. As there is no standard in dog collars, please refer to this chart when ordering: XS 7"-9" S 9"-11" Collar width for XS & S is 5/8" M 12"-16", L 16"-21", XL 21"-26" M L & XL Collar width is 1". These collars are custom made when ordered so if you need a different size please send a message and we'll be happy to make it for you. For example if your dogs neck is 21" we can make you one 19"-23". Buyers from outside the US are responsible for any customs or duty fees. All our collars are made at the time of the order. For that reason and for the health and safety of our canine customers, WE DO NOT ACCEPT RETURNS. .Thank you for your consideration.