This is the process used to print packaging materials such as plastic bags, grocery bags, gift wrap or can and bottle labels. Flexographic presses use rubber plates with printed areas raised in relief.
Flexography is a printing process which utilizes a flexible relief plate that can be adhered to a printing cylinder. It is basically an updated version of letterpress. It much more versatile than letterpress in that it can be used for printing on almost any type of substrate including plastic, metallic films, cellophane, and paper. It is widely used for printing on the non-porous substrates required for various types of food packaging. It is also well suited for printing large areas of solid color.