It is very suitable for films that are safely pasted on , windows, and LCD screens. The silicone roller can easily any surface.Are soft enough to prevent damage. It can be effectively attached to window film or LCD protective film or other film applications, and can also be used to adhere to hair, scarf, atoms or other impurities, and it is easy to fer impurities to sticky paper to that the silica gel is self-sustaining for a long time. Sticky use. Suitable for breadboard, LCD, PCB, , semiconductor and electronic equipment for dust removal. Strong antistatic ability. size:30cm Material:Silicone + plastic colour:blue Package Contents: 1 x 12 inch silicone roller 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.