Take Hermione with you on all your research projects as she will always help you find that facts. Dimensions: 7"x1.6" not including the tassel Has a tassel that is just under 6 inches. They are made out of archival paper, so they are acid free. That way if you leave your bookmark for long periods of time you wont get paper burn in your book! It is printed using pigmented ink so if you get it wet the ink will not bleed and the image won't budge at all.