Adhesive Backed 3 mil Gloss Vinyl Laminate UV protection added to vinyl Suitable for indoor and outdoor applications High grade film for indoor and outdoor use. Helps protect image from moisture, UV light and abrasion. Construction: Adhesive: Clear Permanent Acrylic Film: 3 mil PVC (with UV absorber) Liner: 4.6 mil (78# C1S Liner) Gloss Level: 35-45 (avg.) @60 degrees Shelf Life: 2 years from manufactured date when stored in proper conditions 70° F and 50% relative humidity