The product description 1. You can choose from a variety of colors and sizes. These collars are made of genuine crazy horse leather, fitted with a heavy gold metal clasp and D-rings. 2. Crazy Horse leather is specially treated with natural wax to give it an antique look. This leather has a beautiful texture and unique complex colors. Note that scratches and stains can easily appear on this leather, but this only enhances its retro look. 3.Round dog collars come in 9 colors: blue. Black. White. Red. Purple. Yellow. green. brown. pink 4. Curly collars are particularly suitable for long-haired dogs. The roundness prevents tangles and damage to the dog’s coat.