Polystyrene Numbers With A Smooth Face December 15, 2022Polystyrene Numbers3d numbers, number 5, polystyrene number 5, polystyrene numbersadmin Smooth-faced polystyrene numbers. Polystyrene numbers with a smooth face are produced by gluing a 2mm thick foam PVC on the front of the numbers or by facing the numbers with a white 500micron card. Share this:PrintTwitterPinterestLinkedInEmailRedditFacebook Related