A pack of 10 manilla brown recycled C4 all-board envelopes, extra strong 450gsm, made from 70% post-consumer waste. Ideal for keeping documents and photos flat, they also have front and back gussets (expanding up to 35mm) to accept large and bulky contents. The envelopes are printed with the text please do no bend in English, German and French, and have a multi-lingual peel seal closure, complete with perforated strip for ease of re-use - a punched hole allows the envelopes to be sealed by brass clip if required. C4 pocket envelopes open on the short edge, and measure 235mm x 337 x 35mm in size - to accept an A4 sheet unfolded.  Dual-seal system.