Truly new experiences are rare in life. Memorable ones even more. When you first try this new writing mode, you will be left with a feeling of excitement and satisfaction. The Yookers Felt-Tip pens literally glide across a quality paper. And, it’s refillable with a simple international ink cartridge. Even more enticing are the choices of four writing tips from extra fine to a nice broad line. Choose your favorite design and then add a few tip choices!