The Critz pencil case line is part of a fantastic series from Japan that combines function with style. Brilliant design makes this pencil case a pouch while on the road, and an open pen holder when in use. Access all your pens easily with a pencil case that folds open to become a pen and pencil holder perfect for any library desk or office. The Petit size is made of nylon mesh and is wonderfully compact. The case can carry approximately 7-8 writing instruments comfortably and is see through on the bottom half so you can see what contents it contains.