3-5/8" x 8-5/8" ( 3.625" x 8.625" ), Double Window Envelope, Top Window 1" x 3-3/4" Window, 3/8" From Left, 2-1/4" 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.