Punk Hollow Nylon Sports Collar, 1 1/2 " Wide, Dbl Ply - 17 inch - RED This Collar is for a dog with a 17 inch neck. Middle hole is the neck size, with 2 holes of adjustment above and below. Five holes of adjustment, and each hole is spaced one inch apart Double Ply Heavy Duty Nylon ~1.5 Inches Wide - Heavy "D" Ring U.S.A. Made "Keep America Working"