ROGZ Utility Extra Large 1-Inch Reflective Lumberjack Dog Collar Extra Large Reflective Pink Dog Collar: 1" wide, Adjusts 17-27" Matching Leash and Harnesses are available Available in Black, Blue, Red, Orange, Purple, Turquoise, Yellow, Chocolate, Pink and Lime Green The 1-inch Lumberjack collar adjusts for a neck size of 17-inch to 27-inch; Suitable for Rottweiler, Ridgeback, Bouvier, Labrador and similar sized breeds Lockable Buckle and Unique Design to remove the load on the Buckle and place it directly on the D-Ring