ArtToFrames 10x13 UV Non-Glare Glass For Picture and Poster Frames. . (Clear) Glass Type: UV Non-Glare Glass. (FRAME NOT INCLUDED) Glass Size: 10x13. UV Non-Glare Glass is a great upgrade from standard styrene which provides added protection and crystal clear clarity for your print. Fits 10x13 Frames. As measured from the back of the frame; Not the visual part in the front. UV Non Glare Glass has a matted finish