Ideal for everyday use, these Q-Connect envelopes are made from quality 90gsm white paper and feature an easy to use, secure self seal closure, and convenient address window measuring 45 x 90mm. The C5 envelopes are suitable for an A4 sheet folded once or an unfolded A5 sheet. This pack contains 500 white envelopes. Size: C5 (229 x 162mm) Pocket envelopes with window Tough 90gsm paper Colour: white Window size: 90 x 45mm Window position: 57mm in, 20mm up Self seal closure Pack of 500