Quantity: 10,000 & 20,000 Finish Size: 4.25 x 8.5 Booklet Ink(s): Black and PMS-287 Blue Cover: Text: 24# White Wove Bindery: Gummed Flap Packing: 500/Box 2,500/Carton. Elongated Flap is 1-1/2" deep and runs full length of the envelope with a 55 degree corner cut at each end of the flap. Flap is to have 1/2" glue strip. WINDOW MATERIAL: CLEAR NON GLARE 1-1/2 MIL POLYSTYRENE. WINDOW PATCH MATERIAL SHALL BE FULLY SEALED ON EDGES TO FACILITATE HIGH SPEED MACHINE INSERTING OF ITEMS TO BE MAILED. DUAL WINDOW POSITIONS AND SIZES ON BACK: LEFT WINDOW TO BE 1" WIDE X 1-1/2" HIGH AND LOCATED 1-3/4" FROM THE LEFT EDGE AND 3/4" FROM THE BOTTOM OF THE ENVELOPE. A POCKET IS TO BE FORMED BEHIND THIS WINDOW WITH GLUE STRIPS, 1/2" FROM THE LEFT OF THE WINDOW, 1/8" FROM THE RIGHT OF THE WINDOW AND 1/4" BELOW THE BOTTOM OF THE WINDOW.