The Big Double sandwich has arrived at the billboards of Cairo by Cook Door to announce the offer’s details on an outdoor advertising campaign, following their space meals' OOH campaign for Stars Offer. According to the psychology of colors, the fast-food chain is using green and red which is known to be the colors of food advertising to stimulate the viewers’ appetite. The ad copy gets straight to the point by stating “January 2020”, “Cook Door presents the Big Double”. The bottom side has its hotline to encourage people to order now. The campaign was out there during the fourth week of January, using mega-signs, double-decker poles and billboards in many locations across Greater Cairo.