Postmaster A4 Hardback Envelopes Peel and Seal C4 Do Not Bend Board Backed 20 Pack

HARD BOARD-BACKED PROTECTION - Essential for Important Documents such as legal papers, certificates and for A4 sized material such as Posters or CVs to help prevent damage so your contents remain professional C4 ENVELOPE - Designed to take sheets of A4 Paper unfolded. Designed to be sent using a single Large Letter 1st Class or 2nd Class Stamp (max 100g) MADE IN THE UK - we manufacture these envelopes in the UK, which means a lower carbon footprint PEFC-CERTIFIED FOR SUSTAINABILITY - PEFC is a European based Forest certification system, that allows small- and family forest owners to demonstrate their excellence in sustainable forest management POSTMASTER - we manufacture millions of Envelopes for some of Britain's biggest Organisations as well as for thousands of small, home based businesses