Envelopes

Crimson Starfish Cardboard Envelopes | 100 A4/C4 Peel & Seal Letter Envelopes | 234 x 334 mm Envelopes for Postals | Rip & Strip Open | Card Mailers for Royal Mail Large Letter Posting (PIP) PROTECT YOUR POST: We know keeping your post securely sealed is a paramount priority, & Crimson Starfish have crafted our incredibly protective cardboard envelopes to do just that! Our thick letter envelopes are the ultimate protection. Our... Crimson Starfish Cardboard Envelopes | 100 A4/C4 Peel & Seal Letter Envelopes | 234 x 334 mm Envelopes for Postals | Rip & Strip Open | Card Mailers for Royal Mail Large Letter Posting (PIP)