Material：PP material, book cover can be reused.************ It does not stick to your hands because of PP material. When the palms of your hands are sweaty, there will be no sticky and slippery feeling when touching the book cover************ Package Included: 10 pieces Binding Covers************ FEATURES:************ * Widely used for school exercise books covers，Gradebook Protecting Film，Office Home Protective Sleeve，Notebook Within Core Cover，Note Planner Book Protect Sheath，Textbook Protective Cover etc************ * Made from high quality material, well made and reliable************ NOTE:************ Due to lighting effects, monitor's brightness, contrast settings etc, there could be some slight differences in the color tone of the pictures and the actual item.************ Please allow 1-2mm differs due to manual measurement.************ Check the detailed size of the plastic book covers if it fits your requirement before your purchase. Thank you.************ ONLYKXY Thank you for your coming, please do not hesitate to email us for any questions.************