Monogram Sticker for Wedding Favours and Invites. This elegant design by Elke Clarke, can be personalized with your names and monogram as well as your wedding colours. Now Zazzle offers many choices for your sticker shapes as well. Choose from round, square, rectangular, triangular, oval, heart and star shaped. An elegant and versatile accessory for many stages of your wedding starting with your save the date announcements, wedding invitation envelope seals, wedding favour stickers and cake box labels.