Description: - Its roller is made of plastic material, which will not scratch and damage the phone screen. - Used to paste screen protector film,which can avoid the possible bubble between the protector and LCD screen. - This silicone roller apply with Mobile phone , Computers, TVs and other digital products , design professional and simple operation - It can move effortlessly on the phone screen surface, and it can help fix the screen protector to your phone screen firmly. - Material: Plastic.Size (LxW):Approx. 10.5x12cm/4.13x4.72inchPackage Includes:1 Piece Rubber Roller WheelNote:Since the size above is measured by hand, the size of the actual item could be slightly different from the size above.Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color tone of the pictures and the actual item.