Blue back poster printing printed onto 120gsm blue back poster paper. Blue back poster printing offers a very simple solution to prevent show-through. Blue back poster paper is a special printing paper with a bright white printing surface and an opaque blue back. It can be used for a number of advertisement sizes, from A4 all the way up to whatever size you require. Ideal for billboards, fly posters & other promotional uses.

Blue back poster printing refers to a specific type of poster printing process where the backside of the poster is coated with a blue-tinted layer. This blue backing is designed to prevent show-through from the surface it is mounted on, ensuring that the colors and graphics on the front of the poster remain vibrant and clear. This technique is commonly used for outdoor advertising posters, especially when they are displayed in backlit environments. The blue back layer helps to block light and maintain the integrity of the poster's design, making it more visually appealing and effective for promotional purposes.