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