3-5/8" x 8-5/8" ( 3.625" x 8.875" ), Double Window Envelope, Top Window 3/4" x 3-1/2" Window, 3/8" From Left, 2-3/8" From Bottom; Bottom Window 1" x 4-1/8" Window, 9/16" From Left, 7/8" From Bottom, White Wove Paper, Quick Stick Seal, Blue Woodgrain Tint, 500 Qty / Box.