We use UV-filtering acrylic for all frames, except Canvas which does not require any glass, and Max Plexibox which is made from Lucite. UV-filtering acrylic is the best option and has become the industry standard. Chances are you will be moving, and plexiglass is lighter, scratch-resistant, and shatter-resistant. It also provides more UV protection and less glare than glass. While a bit more expensive than glass, the quality and protection acrylic offers is so good, most art sellers and galleries are using it—and so should you.