Blake creative senses envelope international c5 162 x 229 mm open side translucent white pack of 20 Blake purely everyday envelope 102 x 108 mm open end manila pack of 1000 Blake purely everyday envelope 254 x 381 mm open end manila pack of 250 Blake purely everyday envelope 305 x 406 mm open end manila pack of 250 Blake purely everyday envelope international c3 324 x 458 mm open end manila pack of 125 Blake purely everyday envelope international c4 229 x 324 mm open end manila pack of 250 Blake purely everyday envelope international c5 162 x 229 mm open end manila pack of 500 Blake purely everyday envelope international c5 162 x 229 mm open end white pack of 500 |