The BCW Comic Book Showcase Holder is made of high quality, ultra-violet blocking, crystal clear polystyrene and a strong black polystyrene back. Features a 2 piece frame design, with a wall mountable back. Crystal clear polystyrene shell. Wall mountable, black back to frame your comic. 97% UV Resistant. Holds current comics up to 6 3/4 x 10 1/4. Dimensions: 8 7/8 x 11 3/4.