ITEM NAME:3 in 1 Hollow-out Delicate Straight Measure Ruler Book Marker Bookmark Everyone is a moon and has a dark side which he never shows to anybody..Just put the bookmark inside the book and let the hand stick out. 1 x Bookmark. Can be used in the card pages, notebooks, but also folder information. Ideal to clip your book papers when reading. A nice gift for your family and friends.