Medium to Large Dog Collar, Fits Pet Neck Size 18" to 24" Inch, Red/black and Red/blue Color, Reflective Lines Strong Built Nylon Collar with metal ring to keep your leash secure! Adjustable in size from 18" to 24" Reflective lines for added safety and style! Complete, 100% Money Back, Satisfaction Guarantee! Comes in either blue and red, or black and red!