4 1 8 x 9 1 2 in mm July 8, 2019 16 32 64 128 4 1 8 x 9 1 2 envelope in mm 4 1/8 x 9 1/2 9 1/4 x 8 4 1/2 x 8/9 1/4 + 3/8 9 1/2 x 4 1/2
