This set of 3 bookmarks is magnetic and they clip the pages without slipping. So no more worry of losing track of your reading. Also, they mark the last line you read and help you get back to reading even more swiftly. The subtle asymmetry also makes it comfy to open the bookmark.Meanwhile they are Harmless. The bookmarks do no harm to the books or pages because no squeezing or binding are included when used. They are designful and just like "play buttons" of your reading with lovely and funny designs. Therefore, these bookmarks with creative designs are definitely great gift ideas for book lovers and readers.