Canine Equipment Ultimate 3/4-Inch Quick Release Martingale Dog Collar, Small, Black Stairs Great for training or dogs that like to back out of collars Quick release side buckle makes putting-on and taking-off quick and easy Gentle alternative to traditional choke collars Limited slip action to prevent over correcting and choking Size small fits a neck size of 10-16 inches Great for training or dogs that like to back out of collars Quick release side buckle makes putting-on and taking-off quick and easy Gentle alternative to traditional choke collars Limited slip action to prevent over correcting and choking Size small fits a neck size of 10-16-Inch