A4 Cardboard Envelopes – 400gsm Rigid Book Mailers, Corrugated Expandable, Peel & Seal for Royal Mail Large Letter by LEO Design (30)
Pack of 15 A4 Cardboard Envelopes, Expandable Capacity Book Mailers, 350gsm, Peel and Seal, Rigid and Sturdy, Rip and Strip Open, Rigid for Royal Mail Letter Posting By Leo Design (15)
