These fun chalkboard glass clings can be used to designate place settings at the reception and help everyone keep track of their glass! Clings come in a set of 20 and measure 3.5" x 1.5". Chalk, chalk ink or a permanent marker (white, silver, gold, copper or light color) can be used to write on the clings. (The backing is a light removable adhesive.) Glasses not included.