A4 size transparent clear holder, pack of 4, made of PET, 0.18mm thick. This is for 3 sets, totaling 12 sheets. - Type: Clear Holder - Size: A4 - Quantity: 4 sheets per pack - Material: PET - Thickness: 0.18mm Protective film is attached, so please peel it off for a clean finish. (Example of use) Image 2~ It can be cut into 6 equal parts, punched with holes, and the film peeled off to be used as backing sheets for sticker books... Sticking and peeling is also smooth (⁠.⁠ ⁠❛⁠ ⁠ᴗ⁠ ⁠❛⁠.⁠)