Blueberry Pet Adjustable Dog Martingale Collar Made for Last, Royal Blue, Small, Neck 12"-16"Category: Canvas Adjustable CollarThe classic solid collection was a big hit among Blueberry Pet's customers since 2013, and now we decide to go beyond the regular collar, leash, and harness! We are expanding our product line by offering another dog safety solution – martingale dog collars to keep your four-legged friends safe. They are the best dog collar for dogs that slip out of regular buckle collars, and will keep your dog safer on leash. It is also a great training collar preferred by most dog trainers. Just like the classic solid color collar, this martingale collar comes with combined practicality and reliability: comfy nylon materials and durable hardware. And the bright color is made to show off your dog’s unique style all year long. - Available Sizes: Small - Neck 12"-16", Width 5/8"; Medium - Neck 14.5"-20", Width 3/4"; Large - Neck 18"-26", Width 1". Martingale collar is a slip collar **WITHOUT THE BUCKLE**. Please take the measurements at the head and neck showing in the size chart. Especially for non-sight hounds, PLEASE CHOOSE A COLLAR SIZE THAT IS LARGE ENOUGH TO SLIP OVER THE HEAD; - The martingale collars provide more control over the dogs without the choking effect of a slip collar. Great for preventing escape. Properly fitted, the collar will be comfortably loose whenever the dog is not pulling against the leash; - The collar does not stretch itself; The collar is not for tie out. NEVER leave your dog unattended with a collar on; - Nylon fabric with high density webbing to add durability; - Machine washable with similar color items in cold water on the gentle cycle, tumble dry; - All pictures are taken with our production samples from a size of Medium; - Please measure your pets carefully for making the right purchase. Always look at the size chart for the recommended weight range to confirm the size.