These sprays provide protection for all your paper and photo items. Triple Thick Glaze 12oz- Lends a bright, clear coating that gives the illusion of depth. just one coat equals up to three coats of other clear finishes. The special flexible formula won't crack, and provides durable protection and gloss to many types of surfaces. Use on decoupage, porcelanizing, collage, wood, metal, plastic, paper mache, glass, plaster, ceramics, dried/silk flowers, paper, wicker and more. Covers 15 to 20 square feet.