GPA Synthetic is a petroleum-based paper that offers added strength and durability over standard paper products. GPA Synthetic is engineered for high performance on HP Indigo and dry toner presses, and can accept a wide range of finishing processes. Available in a wide range of weights from 6mil to 20mil, GPA Synthetic is perfect for menus, manuals and booklets, maps, shelf talkers, POP displays, and promotional tags.