This Letter Pouch measures 9 in. x 11-1/2 in. and is sized to laminate items measuring up to 8-1/2 in. x 11 in. This size accommodates letter-sized documents and has SQUARE corners. This pouch features 3 Mil laminate per side, and 6 Mil finished thickness, with square corners. Lamcraft uses the finest laminate materials available, made in the U.S.A. This item comes 100 to a carton and offers quantity discounts.