HIGH QUALITY MATERIAL: Left and Right Monitor memo board is made of acrylic material, which is simple and stylish, light weight, easy to use, durable, not easy to fall off or break. Note: Please stick the memo message board on the computer frame instead of the computer screen to avoid damage to the screen. PRODUCT SIZE: Computer monitors message board size is 11x3.1x0.05inch, suitable for most computer monitor. Note holder for monitor simply peels off the sticker and hang it over the edge of the monitor screen of either side to use. HOW TO USE: You need to tears off the computer side panel memo surface protective film, wipe the dust on the edge of the computer monitor, and stick the board to the right or left side of tape, and you're done.screen, so that you will not forget what you want to do. EASY STORAGE: Monitor memo is easy to use, you can stick a memo on the message board to record important things and to-dos to prevent forgetting. Memo board for office easy to store, make your life more organized and more convenient to use.