Item Notes: TOTAL CONTROL - The martingale collar is made both for dogs with wide necks like bulldogs and narrow heads like greyhounds. But its also great for dogs that pull due to its cinching action MADE FOR ACTIVE DOGS - 100% smooth durable polyester, these collars are built for comfort and action. Great for outdoor dogs, water dogs, field dogs, and service dogs. Machine washable and weather resistant. SIZING - The martingale collar is meant to be worn loose so that the cinch action creates the control necessary at the right time. This size Large collar is 1 inch wide and meant for neck sizes from 18 to 26 inches Due to variances in monitor color, and lighting, the color of some items may differ slightly from the photographs About us: Vanessa Jane is a family-owned business based in Indiana. We sell only authentic merchandise from brand new to used, and list new inventory daily. Make sure to put us on your favorites to see what's new each day! We source all of our inventory from reputable sales channels, including: Macy's Amazon Walmart Home Depot Office Depot Lowes Build.com And many more Box A91 L/Multicolor