The Fancy Dog Collar Refill Pack includes 3 collars for each size in the range. Small: 11"-15" Medium: 16"-20" Large: 21"-25" We source all shirts from thrift stores making them an eco-friendly option for your shop. Please remember that because they are sourced as vintage, there will be a range in age and also come with gentle wear and tear. We inspect and repair all major issues to be sure your selection will is in the best condition. All Fancy Dog Collars are made by our team in Fort Collins, CO and extra small and extra large dog collars will be made from two mismatched shirts. From start to finish, we promise great products for your shop. Create Good Co.'s mission is to make ethical fashion and eco-friendly clothing accessible across the nation in a way that gives back.