Oracal 851 Vinyl is permanent and highly rated for outdoor signs, marketing, crafts and decorations. Great for tumbler making and resin art! Coming in at only 2.5 mil thick, Oracal 851 vinyl has a clear adhesive and is rated for up to 6 years outdoors. This outdoor vinyl also has a specially designed custom release liner, which offers easy weeding and consistent quality. Oracal 851 has a unique glittery appearance, with a smooth finish. Sheets are sold in 12×12 inch squares.