Keep your books protected and looking new with the True-Ally 30 Pcs Self Adhesive Book Cover Transparent Protective Sticker Set. This complete set includes 30 self-adhesive covers in three practical sizes to accommodate different book dimensions: 10 small (34cm x 25cm), 10 medium (43cm x 30cm), and 10 large (47cm x 34cm). Whether you're covering a compact notebook, a standard school textbook, or a large workbook, this set provides the right fit for every need.Made from high-quality polypropylene (PP) material, these transparent covers create a waterproof, scratchproof shield that defends against spills, dirt, and daily wear. The clear finish maintains the original appearance of your book covers, allowing titles and designs to stay visible while protected under a glossy layer.Applying the covers is incredibly simple-each sheet comes pre-glued for effortless use. Just peel off the backing, align the cover, and stick it onto the book surface for a smooth, bubble-free finish that won’t peel or lift. No extra tools, glue, or mess required!In addition to protection, this set helps you stay organized. It includes colorful sticky notes and writable name labels, perfect for personalizing your books or sorting school and office supplies.Ideal for students, teachers, and professionals, the True-Ally self-adhesive book cover set is versatile enough for textbooks, notebooks, journals, storybooks, or office documents. With durable materials, easy application, and multiple sizes in one convenient pack, it’s the perfect solution for keeping your books neat, tidy, and long-lasting throughout the school year or work season.