Puppy Bumpers Keep Your Dog on the Safe Side of the Fence Size 13"-16" Black & White Check For dogs with neck sizes ranging from 13-16". Made in the USA - Sharp and snappy styling. Dog's own collar threads through loops to keep it in place. Light, comfortable, and machine washable. With so many people keeping small dogs in upper-floor apartments, this is one products that really could save a life." ~ Dr Marty Becker, Good Morning America