Fab Dog Blue Dot Nylon 5/8-Inch Dog Collar Adustable Nylon Collar Solid Metal D-ring YKK Plastic Side Release Buckle Machine Washable Adjustable Nylon Collar with Solid Metal D-ring YKK Plastic Side release Buckle Made from 100% Certified Recycled Plastic Bottles (PET) Machine Washable / Lay Flat to Dry Size: Medium, Length: 14-18", Width: 1", For Medium Dog Breeds