Party Supplies - "Happy Birthday" Butterfly Die-Cut Party Invitations, 10-ct. Packs Let your next celebration take a flight of fancy with "Happy Birthday" Butterfly die-cut invitations! Each colorful "Youre Invited" card is a preprinted, fill-in-the-blank invitation that makes sure none of the important information is missed. Plus, each card comes with a coordinating white envelope. Pair with the rest of the "Happy Birthday" Butterfly items for a coordinated theme, or mix-n-match with our other solid-color tableware 10-ct. packs of 4x6" "Happy Birthday" Butterfly party invitations with blank white envelopes.