Material: Our monitor memo board computer is made of acrylic. Product Use: Our monitor message board is easy to use. Just peel off the sticker film on the back and stick the sticky note board on the side of the monitor. Application: Our monitor memo board can be pasted not only on the computer monitor, but also on the TV, cabinet, dresser, etc. With the monitor message board, you can make your note appear on the monitor message board neatly. The note record is clear at a glance, and you can see it at any time. Colour:Transparent Material:Acrylic Size:30x8cm Package Contents: 1 * sticky note on the left 1 * Sticky Notes note on the right Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.