3-7/8" x 8-7/8" ( 3.875" x 8.875" ), Double Window Envelope, Top Window 7/8" x 3-1/2" Window, 3/8" From Left, 2-7/16" From Bottom; Bottom Window 7/8" x 3-1/2" Window, 3/8" From Left, 1-1/4" From Bottom, White Wove Paper, Remoistening Seal, Blue Woodgrain Tint, 500 Qty / Box.