Red Mail Box Favor Containers - 12 Pc.Your awesome party favors (sold separately) need an equally awesome container. Grab these small red mail boxes and have a truly unique favor container for birthday party favors or office party giveaways. These favor boxes will delight the recipients at the party and will be handy small storage containers when your guests get them home. Metal. (12 pcs. per unit) 5" x 3 3 4"