Coastal – No Slip Adjustable MARTINGALE Dog Collar – Black – Large – 1in x 17-24in
Coastal’s No! Slip Martingale Adjustable Dog Collar is excellent for dogs that easily slip a regular collar. The unique limited closure prevents the collar from becoming too tight. These martingale collars are great for dogs whose neck and head are close in size, such as greyhounds.
More info: https://www.coastalpet.com/