Adhesive Backed 3 mil Gloss Vinyl Laminate UV protection added to vinyl Suitable for indoor and outdoor applications Gloss finish makes images pop. Excellent protection 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: >80 (avg.) @60 degrees Shelf Life: 2 years from manufactured date when stored in proper conditions 70° F and 50% relative humidity