This 1.5 inch wide martingale collar is great for those big guys and gals that like to pull! The 1.5 inch width is a great size for greyhounds or large breed dogs. Extra plus, this collar is totally washable. 🙌 We’ve been told our 1.5" Martingale is the best, easiest martingale collar our customers have ever used. We tested it for months before bringing it to you and we think it is the perfect collar! Using a buckle allows for this collar to be taken on and off very easily. The 1.5 inch width is a great size for greyhounds or large breed dogs. Made with a strong plastic buckle. Great for Large dogs because chances of breakage decrease dramatically vs a metal buckle with moving parts. Another feature – It utilizes large gauge D-Rings, therefore you can rest assured your pooch is secure on his or her lead The collar features washable nylon webbing . As a result, you are able to keep your pup’s specialty dog collar in pristine condition