Dimensions Our 20 x 28 picture frames black is suitable for any 20x28 inch posters. The actual viewable window size is 19.5x27.5, make your favorite pictures in our frames could present the most gorgeous effect. Multi Display Our 20x28 picture frame is perfect for displaying any of your cherished memories, children s drawings, pictures or prints in your office, home, living room, art gallery, college, corridor. Two frames allow you more freedom to display different styles of decoration. Professional Design DOAI ART poster frames 20 x 28 is carefully designed by professional designers and produced by the most professional workers to ensure that they are safe, elegant, beautiful, fashionable and artistic. We will provide the most professional & superior quality service for you.