Offically Licensed, Acura Branded Product is made from a variety of different metal and/or leather. The quality of this keychain exceeds all OE standards. Not only do you get a quality officially licensed product, but you will receive peace of mind knowing that you are going to receive a branded product that is officially licensed. Officially licensed merchandise is the only way to go to style your car the way you want. This key chain fits all standard keys in the USA and Canada and possible around the world. All of the key rings are roughly 1.5 inches in diameter. This is twice the size as the standard key ring. Actual key chain measurements very but are listed in the specifications of this product.