Cetacea Soft Martingale Collar with Quick Release, Step 4, Extra Small Recommended by vets and dog trainers when a correction collar is needed on your dog, vets and dog trainers recommend this type of dog collar The exact same as the chain martingale except in a soft and web designed feature Designed to imitate the type of collars horses wear, which provides a limited choke collar dogs Quick release buckle, Practical quick release buckle so that the collar doesn't have to be adjusted to put on or remove the collar