All in one pen bookmark: your eyes are not deceiving you… this really is a combined bookmark, pen and eraser. The Pen Bookmark is perfect for keeping your page, writing notes in books and journals (and erasing mistakes!) Easy to use: works with books of all shapes and sizes from textbooks, paperbacks, hardcover novels to newspapers and magazines. The Pen uses quality erasable gel ink and has a comfortable pen grip. The friction style eraser leaves no “crumbs”. Portable & lightweight: this unique accessory has a 4mm ultra thin profile, with a durable clip securely fastening to your page. Format: Sealed Bookmark/Pen Pieces: 1 Pen w/ 2 refills Size: 5.91(h) x 0.59(w) x 0.16(t) inches Case Quantity: 72