Rogz Fancy Dress Extra Large 1-Inch Armed Response Dog Collar, Bones on Red Design Ultra tough and stylish 1-Inch Armed Response collars adjust for neck sizes from 17-Inch to 29-Inch. Suitable for Rottweiler, Bouvier, Ridgeback, Labrador and similar sized breeds. Locking Side Release Buckle, the Rogz-Loc, makes these buckles completely dog-paw resistant For added security the Low Load Technology (LLT) reduces the load on the buckle. Custom-branded, nickel-plated diecast ring for a more secure, rust free finish. Buckle-Breaking strength tested at 440lbs on a direct pull and 597lbs through the Low Load Technology Ultra tough and stylish 1-inch Armed Response collars adjust for neck sizes from 17-inch to 27-inch Locking Side Release Buckle, the Rogz-Loc, makes these buckles completely dog-paw resistant Low Load Technology reduces the load on the buckle and collar adjusts from 17" to 27" Custom-branded, nickel-plated diecast ring for a more secure, rust free finish Ergonomic Contoured Components ensure a snug fit Box stitched joins for added strength and a quality finish