Doot’s products are handmade in the USA using high quality materials. Each collar is made with durability in mind and we offer several heavy duty upgrade options. We are passionate about pets and proudly give back to help homeless pets in our community. Our Bulk Collar and Leash Sets offer Doot's choice of patterns and options to suit every need. You will receive a selection of patterns tailored to your location, new patterns and our bestsellers. - 1” heavy nylon 4,200 lb strength collar webbing - 1" super heavy nylon 6,100 lb strength leash webbing • A leash for each collar (15 collars, 15 leashes) • Regular set: 5 patterns (1 collar in each size and 3 matching leashes) • Mixed patterns set: 15 patterns (5 collars in each size, each has collar a different pattern and comes with a matching leash) *Best Value* MD- 12-17.5" LG- 14-22" XL- 18-31" Check out our other Doot's Choice listings for more options or select individual patterns from our general listings.