Postpak C4 Peel and Seal Manilla Board Back 115gsm 20 Packs of 5 (Pack 100) Envelopes 9730247

These durable manilla envelopes are designed for economical, hard-wearing correspondence. The peel & seal closure keeps the contents secure - just lift the protective film and press down on the flap to seal. There's also a board backing - ideal for items which need extra protection from bending or creasing.