Blake Polythene Peel and Seal Mailing Envelopes - 38mu, White, 590x430mm (Pack of 100)
High‑strength polyethylene mailing envelopes, 38 µ thick, white, 590 × 430 mm with peel‑and‑seal flap. Durable, moisture‑resistant, ideal for bulk shipping and secure document protection. Pack of 100 units.
