Puppy Bumpers Rainy Day (Water Resistant) Keep Your Dog On The Safe Side Of The Fence Red Dot - Up to 10" Water Resistant Material - Wipe clean with damp cloth Dog's own collar threads through loops to keep it in place. Light, comfortable for dogs with necks up to 10" 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