4-1/8" x 9" ( 4.125" x 9"), Double Window Envelope, Top Window 7/8" x 3-1/2" Window, 3/8" From Left, 2-1/2" From Bottom; Bottom Window 1" x 3-1/2" Window, 7/8" From Left, 5/8" From Bottom, White Wove Paper, Quick Stick Seal, Blue Woodgrain Tint, 500 Qty / Box.