• Protect your books and notebooks with EXERZ transparent covers, designed to keep them clean and safe in any weather. • Splash-resistant, easy to clean, non-adhesive, and reusable. • Easy to use: simply slide the cover over your exercise book for proper protection. • Customize your books: the transparency of the cover allows you to easily see and find the book you're looking for. You can write on the cover with stickers or permanent markers. • Made of phthalate-free PVC, with a thickness of 0.14 mm (140 microns). • Standard A4 size, suitable for books up to 21.9 x 30 cm. • Ideal for school, office, universities, colleges, and academies.