Paper Accents' Onion Skin Paper has a tissue paper-like quality and is translucent like vellum. It is a very special paper that is fun to use, but it is very delicate. Use it for all your paper projects such as invitation, announcements, greeting cards, scrapbooks, memory books and more. Details:White 8.5" x 11"25 sheets 50lb. text (75 gsm)Acid-freeLignin-freeArchival quality