diameter Captain brie Marco Polo plain cardstock and envelopes half Perceptual Umeki
Heavyweight Small Blank Note Cards with Envelopes for Card Making - 20 Cards and Envelopes Set - Bright White Card Stock For Making Greeting Cards, Thank You Cards, and Notecards : Amazon.co.uk:
350 gsm A5/A6 Plain White Greeting Craft Cards with Envelopes for Making gift | eBay
Dragonz, Circle Aperture, Plain White Single-Fold Cards, 144mm Square With Envelopes - Pack of 10 - First for Paper