Invite guests to celebrate your baby boy's first birthday with our wildly-fun Baby Animals 1st Birthday Boy Invitations! Our boys' 1st birthday invitations include the phrase "you're invited!" printed above an adorable baby lion - touting the special message! Each package contains 8 fill-in-the-blank Baby Animals 1st Birthday Boy Invitations, and include #1-balloon stick-on's to place on the front cover. Envelopes Included.