LdawyDE A4 Transparent Book Cover, 10 pcs Clear Exercise Notebook Protector Covers Waterproof Wear-Resistant Textbooks Sleeve Made of PVC Good Flexibility Adjustable Width for School Office

Size: 420mm x 300mm, suitable for notebooks and books with a width of 210mm and a height of 297mm. Please check the size to buy, thanks !!! Durable material --- PVC material, waterproof, wear-resistant, strong flexibility, no deformation after curling, effectively protect the book from getting wet. Scientific design --- The integrated design can cover thick books, and the width of one side of the book cover can be adjusted at will, which is convenient to adapt to different book thicknesses. Wide applications --- The effective little helper that can help you protect exercise books, folders, school bags and books from dust, dirt, moisture, bending, tearing and folding ears. Attentive service --- If you have any doubts about the product, please write to us, we will solve the problem for you in time, and welcome your letter.