Tabletop Micro Portable Presenter Projector Screen 30&rdquo; Diagonal 4:3 24x18 In. View Area Black Folding Aluminum Case Carry Bag for Manual Projection Floor Table Stand This 30" Table-top Projector Screen is just designed for you! Superb quality 24-inch by 18-inch View Manual Projection Screen for a perfect visual enjoyment Sleek design, black color, aluminum case protects the screen during transportation High contrast 2.5 gain screen optimizes picture quality; 4:3 screen format & the diagonal length of 32" Ideal for computer, video, slide and floor projection in the office, classroom or outside