Brown solid board postal pocket envelopes are perfect for sending documents, magazines and a whole host of other printed media. Measuring 285 x 370 x 30mm* the CP 012.06 envelopes are manufactured from sustainably sourced, high grade, solid board, and are recyclable, biodegradable, climate neutral and FSC/PEFC certified. Featuring a peel and seal strip, these envelopes offer a reliable seal, whilst the notched flap allows for repeated resealing, meaning you can use again and again. The bend resistant, reinforced edges ensure these envleopes are ideal for sending all your important documents. *Effective size decreases with increasing thickness