Eco C5/A5 Board Backed Envelopes (Please do not bend)

Perfect for small businesses selling greeting cards, artwork or protecting important documents when posting by using our recyclable and durable hardboard backed envelopes. Our envelopes are an eco-friendly solution as they’re recyclable and biodegradable.

These C5 board-backed envelopes are 120gsm heavy-duty manilla envelopes with hot melt glue on all seams, and finger-lift silicon paper strips. Perfect for posting through the mail by adding that extra protection of a 550gsm Grey Board Back. These board-backed envelopes C5 will fit A5 sized documents or folded A4 sized documents and has 'Please do not bend' printed on the front in red.