Hello Kitty Pop Vinyl 3D Bookmark Let Sanrio's Hello Kitty mark where you left off in your favorite book with the Hello Kitty Pop! Vinyl 3-D Bookmark! Measuring 6-inches long, this bookmark features the bright and kind-hearted Japanese bobtail cat with a red bow you know and love. On the very top of the bookmark sits a 3-dimensional Hello Kitty. Add to your Hello Kitty collection and encourage reading at the same time with this Hello Kitty Pop! Vinyl 3-D Bookmark! Ages 5 and up.