250 4.25x5.5 32pt uncoated mounted smooth one side black one side white w/ gold foil and gold edges & w/ matching envelopes with gold foil - printshaQ.com
A2 Flat Card (4.25x5.5)
A2 Stationery (4.25x5.5) — The Happy Envelope
A2 - 4.25" x 5.5" Envelope | Black River Imaging
Amazon.com : 70 Packs Invitation Envelopes, A2 Envelopes White, Postcard Envelopes, Envelopes for 4.5x5.5 Cards, Envelopes for Invitations, Envelopes Self Seal for Photos RSVP, Greeting Cards : Office Products
Super Value Card & Env Pack 4.25x5.5 50pc White, 1 - Ralphs
SPC White 4.25"X5.5" Card & Envelope 100 Piece Value Pack - Crafts Direct
Set 10 Blank White Cards with 10 Envelopes 4.25x5.5" A2 Size Greeting Note Craft | eBay
2x2 3x3 4x4 5x5 Card Assorted Color Envelopes/ Bright Color - Etsy