25 x DIN C5 envelopes, 15.6 x 22 cm, made from kraft paper in natural grey (grey) with golden silk lining, wet adhesive, blank envelopes made from recycled paper, UmWelt series. :
Kraft Wedding Envelope Bond 162x229 mm (C5)
100 Kraft Envelopes, Large Size C5 Envelopes, A5 Wedding Invitation Envelopes, High Quality Recycled Paper Eco-friendly Brown Envelopes - Etsy UK