Size :This black 20 by 28 poster frame is perfect for showcasing your favorite 20x28-inch sized posters,photos, artwork without mat. Material :Made from high-quality wood-plastic composite and HD smooth polished plexiglass material, these 20 x 28 poster frames are sturdy and lightweight, ensuring they won't easily deform over time. Easy Installation :You can simply insert your pictures or art-prints,and the preinstalled hanging hardware could be more convenience to hang it on the wall.The back of the frame is designed with a safety clasp to ensure that the backboard will not fall off during installation. Well Packaging :Each package contains 4 pieces of 20x28 picture frames, allowing you to create a stunning gallery wall in your home or office. Mix and match different photos or posters for a personalized touch. Excellent Service :We pride ourselves on providing excellent customer service.