A2 White String & Button Closure Vellum Envelopes by Recollections™, 10ct.

AZAZA 100 Pack White A1 Envelopes -Quick Self Seal - 3.5 x 5 Envelopes, A1 (5.125 x 3.625 Inches)

Curious Metallic A2 Envelopes for RSVP cards and thank you notes - CutCardStock

Mead A2 Invitation Envelopes measure 4 3/8 x 5 3/4 and are sized to fit an 8 1/2 x 11 sheet folded in quarters or a standard size invitation. Keep

Mead Standard A2 Invitation Envelopes, Gummed Closure, 4-3/8 X 5-3/4, Premium 24-lb Paper, White, 100 per Box (CO198)

White Ink Printed White Translucent Vellum Envelope Liner for A7 Euro Envelope English Summer Botanical Garden Wedding Invitation Kit

Premium Deckle Edge A2 Envelopes for thank you and save the date cards - CutCardStock

White A2 Envelopes- 50 Count

A2 Announcement Invitation Envelopes

Darice Smooth White A2 Envelopes, 50 Piece Value Pack

A2 Envelopes for Announcements, Invitations & More

A7 Vellum Envelopes