Genuine Thick Leather Dog Collar 20"-27" Neck Size, 1.75" Wide, Black Mastiff, Great Dane Comfortable and pliable. Strong and durable heavy duty collar made of two layers of high quality genuine leather. Light, elegant and not stiff. Trimmed with contrast color thick waxed thread, and riveted for extra strength. Features nickel-plated hardware, double pin buckle, and heavy duty center D-ring Overall length 30", 1.75" wide, will fit 20"-27" neck. 5 holes for adjustment. Most suitable for XLarge size dogs Please measure dog's neck before you order.