FRAME SIZE: The black 15x20 picture frame fits 15x20 posters photos pictures prints and canvas, simple and stylish, the frame opening display will be 0.5 inches smaller than the photo to better hold the photo instead of a defect. SAFE MATERIAL: The photo frame is made of plastic, lightweight and easy to use, using safer HD plastic plexiglass instead of glass can prevent from breaking by accident. This is a safe option for those with children as you don't have to worry about injuries due to accidental glass breakage. Please remove the double-sided protective film from the plastic plexiglass before use to allow for clearer photo display. EASY TO INSTALL: With the rotating tab, you can more easily remove the back panel and put in photos. There are 2 hooks on the back of the photo frame, you can hang the frame on the wall vertically or horizontally.