A7 Invitation Envelope - Self Seal - 60# Cougar Natural (5 1/4 x 7 1/4) - Announcement Series (ZipStick Flap) (Box of 250) A Quantity of 250 - A7 Zipstick self seal Invitation Envelope - 60# Cougar Natural 60# Cougar Natural Paper - Zipstick self seal Flap Perfect for Greeting Cards, Invitations, or any Announcements. This envelope may be sourced from any one of a number of top brands. Ships via UPS Ground