C5 / A5 Premium Gold Metallic Envelopes by Mad as a Crafter (10) : Amazon.co.uk: Stationery & Office Supplies
C5+ Metallic Gold Padded Bubble Envelopes [Qty 100] 180mm x 250mm – All Colour Envelopes
Silver Metallic Strong Seal Bubble Envelopes - 165 x 140 mm - Pack of 10
10 x metallic gold lined envelopes DIN C5, anthracite, 156 x 220 mm, wet seal with pointed flap - FarbenFroh by Gustav Neuser. : Amazon.co.uk: Stationery & Office Supplies