ArtToFrames 24x24 Non-Glare Plexi For Picture and Poster Frames. 0.090. (Clear) ACRYLIC TYPE: Non-Glare Plexi. (FRAME NOT INCLUDED) ACRYLIC SIZE: 24x24. Non-Glare Plexi is a great upgrade from standard styrene which provides added protection and crystal clear clarity for your print. Fits 24x24 Frames. As measured from the back of the frame; Not the visual part in the front. Non Glare Acrylic. Highly reflective surfaces can act like a mirror, causing glare and distracting viewers from the artwork you want to display. Non Glare Acrylic is designed to minimize reflection and show the art from almost any angle.