Offset printing is way of printing in which they uses metal plate, which are usually made out of aluminum that can transfer images onto rubber “blankets”, followed by rolling and transferring that image onto paper.

Best option when you have larges images need to be printed
Not only are the images better for higher-volume image printing, the overall cost factor for using offset printing is beneficial to the print shop
Offset printing will work on a wide variety of printing surfaces. This includes cloth, leather, metal, various grades and types of paper, plastic, and wood.