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White C5 Cardboard Envelopes are perfect for sending A5 size important documents which must be kept flat whilst in the post. Our white C5 cardboard envelopes includes classic board backed envelopes which combine a rigid board backing and a strong paper front in both plain and printed Do Not Bend, all board envelopes; premium quality, smooth white robust cardboard envelope, as well as the excellent quality, resealable board envelopes from market leaders ColomPac. All of these envelopes include a peel and seal adhesive strip closure for fast packing which gives a reliable seal, and are supplied in boxes for easy handling. These white C5 cardboard envelopes are excellent for eco-friendly mailing, all are fully recyclable, biodegradable, and completely plastic free. Please note: C5 size is up to 162 x 229mm, designed to fit A5 sized items of 148 x 210mm.
