Package contains-4 pairs/8 black metal bookends, each size 6.7"5.7"4.9"/1714.512.5cm, easy to carry, will not scratch your shelf or table .Heavy-made of high-quality metal iron, thick and strong, not easy to bend or scratch. Smooth rounded edges-provide a beautiful appearance and will protect your books, bookshelves and your hands.The non-slip Base-T shape design and 3 non-slip foam pads at the bottom keep your books in balance, even if you only put a book on the bookend, it can also keep your balance without scratching your furniture. Keep your house clean and tidy-designed for storing books, documents, magazines, and even DVDs, etc., it is perfect for libraries, offices, schools, and home organizations. Product descriptionFeatures:Non-slip foam padThe T-shaped design and 3 non-slip foam pads at the bottom keep your books balanced. 90Vertical 90, can accommodate more books. Piano BlackBright piano black, make your desk more beautiful!