Leather "Hearts" Dog Collar, Padded, Double-Ply,  Riveted Settings, 22" x 1", Black, Leather (Rotterdam Hearts) Neck Size: 16.5" - 20" Classic metal heart fitted leather collar. Made of very soft genuine cowhide leather. For any breed with a neck size between 16.5"- 20": Pit Bull Terrier, Boxer & similar breeds Constructed with a centre d-ring for maximum control and exposure. Make a statement about you and your dogs personality.