Blake Mailing Machine Envelopes C5 Plus 90gsm Window Gummed Pack of 500

These envelopes are ideal for use in mailing machines, made from quality paper with a gummed trapezium flap for a good seal and a 45 x 90mm address window.

Ideal for busy mailing rooms which requires high volume quality mailing.

. Envelopes/mailers with window for mailing machine use
. Size: oversized C5/C5+ (162 x 235mm)
. Window size: 45 x 90mm
. Window position: 20mm in, 20mm up
. Gummed seal
. Trapezium flap
. Quality 90gsm paper
. Pack of 500