AMERICAN CRAFTS-Project Life Envelope Variety Pack. A perfect add on to Project Life scrapbooking! Designed to hold art, greeting cards, papers, programs and all sorts of memorabilia. Fits most three ring 12×12 inch binders. This package contains three pages of storage envelope pages (with closed flaps and outer pockets) in sizes 8×6-1/2 inches, 12×6-1/2 inches and 12×12 inches. Acid-free.