Robust Material: The book ends are made of thick, clear acrylic, which is stable and does not yellow or warp after prolonged use. The L-shape supports books of all weights securely, keeping your bookshelf decor neatly organised. Unique Arc Design: The smooth, rounded curves keep your shelves and books scratch-free. You won’t have to worry about injuring your hands when placing a book. The soft curves soften the harsh look of hard objects, allowing the bookends to fit right in with any book holder setup. Upgraded Anti-Slip Pads: Each set includes 4 transparent anti-slip pads. Affixing these to the base enhances stability, effectively preventing shifting and sliding while reducing friction to protect surfaces. Suitable for wooden, glass, laminate, or glass tabletops. Versatile Book Stopper: These acrylic book ends for shelves not only organise books but also serve as display stands for notebooks, folders, magazines, documents, film discs, CDs, DVDs, and video games. Ideal for offices, libraries, classrooms, bedrooms, and more. How to Use: Place your books upright on the desk, ensuring both ends of the book organiser remain firmly against the books to prevent tipping caused by uneven pressure. Note: To avoid transport scratches, the product is covered with a protective film. Please remove it before use.