DIMENSIONS – Each bookend measures 8.0 x 3.9 x 5.3 inches, Modern black bookends can well decorate your workbench, bookshelf, room and making them look more effortless elegant.HEAVY DUTY BOOKENDS – Minimalistic bookends are heavy and sturdy and would most definitely hold up heavier books without any bend over risks by thicker design.ANTI-SLIP BOOKENDS With 4 non-skid base on the bottom, help to hold the books in place and will not scratch your furniture and allows you to remove 1 item without dislocating the others.APPLICATION – Book ends supports keep your notebooks, novelties, magazines, file folders, CD, DVD, video games and books organized, makes your home becomes more beautiful and tidy.GUARANTEE – Lifetime warranty for 100% money back or replacement, If you have any questions, please feel free to tell us.