http://thesterlingmutt.com This sturdy collar is handmade from 100% cotton and is machine washable. The collar comes in sizes x-small to x-large. This unique collar just slips over your dog's own collar. The collar is designed with colors and style similur to that of the Arizona State flag. The bright colors like those of the Arizona state flag represent " A copper star rising from a blue field in the face of a setting sun." The copper star represents Arizona as The Copper State. The yellow & red rays represent Arizona's incredible sunsets. The blue, is Liberty Blue, that of the blue in the U.S. flag.