This is Zazzle UK's war effort bumper stickers page, where you'll find a unique assortment of war effort bumper stickers set up for customisation or purchase. Almost all Zazzle bumper stickers get made within 24 hours. Made of waterproof vinyl, every bumper sticker is printable in full color. Personalise bumper sticker orders of all sizes. Upload your designs at no cost! To browse more products, please take a look at our main war effort section.