Digger's 1in Black Adjustable Martingale

The convenience of adjustable sizing with the safety of a limited range of choke collar action. Limited closure helps to prevent injury to pets.  Collar tightens when a dog pulls on a lead, then relaxes when the pulling stops. Also works to prevent dogs from backing out of their collars. Great for breeds with large necks and small heads like greyhounds.

• Provides the convenience of adjustable sizing with the safety of a limited range of choke collar action
• Remains loose and comfortable until engaged; contracting to prevent escape; Ideal for training.
• Fits necks 14" to 24"