Martingale Collar Width:3/4" There is an adjustable stopper

There is an adjustable stopper to prevent the leash from opening too wide around the neck

5in and could be a choking hazard to medium or large breeds

There is a clip on either end with multiple places to clip to shorten the leash

Choose 1 or 2 colors

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Martingale Collar Width:3/4" There is an adjustable stopperThis training collar allows you to gently control leash to neck pressure. Comes standard with adjustable neck size and side release buckle. The extra loop, which can be the secondary color option, has a ring for the leash connection which pulls the collar tight. Comes only in silver hardware.