Football Back Decals allow you to outfit the back of your helmets for a complete look. Football Helmet Rear Stickers are available in our Stock Mascots, lettering, or even upload your own. Standard Size of a Football Helmet Center Back Sticker is about 3" square. Let us know if you have any questions or order Football Stickers today. All our Sport Decals are extremely High quality and are made to last in the USA.