This extra large black genuine leather dog collar measures 32 inches in length, and is made for large dogs with necks measuring from 27 to 30 inches. The collar is 1 5/8" wide, and has 42 1" chrome plated spikes, accented with 144 polished pyramid studs and 21 round studs, to give your dog that fierce look. The spikes are high quality, individually screwed into the leather. This collar is great for Rottweilers, German Shepherds, Pit Bulls and Great Danes. The bigger the dog, the better. It can also be used as a very cool belt for very thin people.