Cumberland C3 Strip & Seal Envelopes – White, Box of 250

You're mid-invoice batch and the last envelope won't seal. Or you're fumbling with a glue stick at 4pm on a Friday. Stop. These Cumberland C3 strip-and-seal envelopes are two seconds open, two seconds shut. Clean white, no residue, no mess. A full box of 250 keeps your mail room stocked through the month without another run to the shop. Pull the strip, drop in the A4, seal it done

• C3 format – fits a standard A4 sheet folded once
• Strip-and-seal closure: pull to open, press to reseal, no glue or tape needed
• Clean white finish for professional invoices, letters, and correspondence
• Box of 250 – enough for a full month of daily mail-outs
• Cumberland brand – the name Australian offices have trusted for decades