R Tape Coburn Metal Flake Silver is a 2.8mil film with a stay flat liner. Vinyl EFX is a permanent and printable vinyl that must be applied dried. It can be printed on using solvent, eco solvent, latex, UV curable or screen printing technology. It is ideal for POP displays, posters, window and trade show graphics, boat and vehicle decals and graphics. R Tape has an external life span of up to 6 months.