A box of 250 Nature First 90gsm white recycled C4 Window pocket envelopes made from 100% high quality office waste from an ISO 14001 mill.These envelopes are opaqued internally in Blue with the recycled 100% loop and a self-seal closure.

Produced using an 88% efficient Combined Heat and Power generator, the mills waste sludge either goes out for use by local farmers as agricultural spread, or is fed back through the CHP.The envelopes measure 229mm x 324mm with the biodegradable glassine wood pulp 40mm x 105mm window placed 213mm up and 24mm in from the leftand open on the short edge to accept an unfolded A4 sheet.