... material A4 A3 Thickness:100mic laster printing, copy for computer, hand writing, plain paper copy OHP Film Material: PET Specification: A3, A4 Usage ... : This poduct is used for laster printing, copy for computer, hand writing, plain paper copy etc. ... slides, and computer teaching. Specification Thickness(micron) A4 75, 100, 125, 150 A3 75, 100, 125, 150 Welcome to contact ...