All of our vinyl comes with an adhesive on one side with a paper backing that protects the adhesive until exposed. Our Opal vinyl has a permanent adhesive and can be easily cut and applied allowing you to turn any flat or glass surface into a work of art. Angle the film to observe the rainbow effect that shows a different color. Features Finish: High Gloss with Opalescent Sheen Adhesive: Permanent Acrylic Thickness: 3.2 mil Minimum Application Temperature: +60F Shelf Life: 1 year (at 70F/50% relative humidity) Outdoor Durability: 1 year Water Resistant (hand wash recommended) Compatible with all craft cutters such as: Cricut, Silhouette, Xyron, Craft ROBO, Graphtec, Quickutz, Inspirations, Pazzles, etc.