PostPak
Postpak C4 Peel and Seal Manilla Board Back 115gsm 5 Envelopes (Pack of 20) 9730247
£36.49
https://www.express365.co.uk/ Go to shop Description
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.