Coastal Pet Products Nylon Adjustable Dog Collar with Metal Buckle, 1-Inch, Red Coastal adjustable collar is primarily intended for large dogs. Measures 1-inch width. Size 14"-20". Fits necks: 11.5" - 18.5". Made of nylon material and approved for tie out. Featuring a contoured, lightweight aluminum snap-lock buckle for quick, easy operation. Available in red color.