3-3/4" x 8-3/4" ( 3.75" x 8.75" ), Double Window Envelope, Top Window 3/4" x 3-1/2" Window, 5/8" From Left, 2-5/8" From Bottom; Bottom Window 1" x 4" Window, 5/8" From Left, 1/2" From Bottom, White Wove Paper, Remoistening Seal, Blue Woodgrain Tint, 500 Qty / Box.