With a true barium sulfate coating, this 25-sheet pack of 13 x 19" Juniper Baryta Rag 305 Paperfrom Moab offers a style and feel similar to traditional darkroom FB-type paper due to an excellent density with smooth natural highlights. The paper features a 100% cotton fiber base with a 305 gsm basis weight and a thickness of 16 mil. Also, it is single-sided and does not use any optical brightening agents for maximum longevity. The paper offers a glossy finish and is made in the USA.