The product is a pane of 20 self-adhesive Forever stamps featuring Hot Wheels toy cars. The stamps were issued by the United States Postal Service and come in a booklet containing one sheet. The denomination of the stamps is Forever, meaning they can be used for first-class mail regardless of future price increases. The stamps are in mint never hinged condition and are ungraded. The topic of the stamps is cars and they are part of the Hot Wheels character family. The certification of the stamps is uncertified.