3-7/8" x 8-7/8" ( 3.875" x 8.875" ), Double Window Envelope, Top Window 3/4" x 3-3/4" Window, 3/8" From Left, 2-5/8" From Bottom; Bottom Window 1" x 4" Window, 1-1/8" From Left, 7/8" From Bottom, White Wove Paper, Remoistening Seal, Blue Woodgrain Tint, 500 Qty / Box.