Let your ideas flow smoothly with this Cross Click Slim Gel Retractable Rollerball Pen. This modern interpretation of Cross's iconic silhouette adds a new writing functionality. Features smooth gel ink and an easy to use click mechanism. Comes with two extra ink cartridges. Its compact size is perfect for purse, wallet or folio. Even fits in the spiral binding of a notebook. Refillable with Cross 89101 (Black) or 89102 (Blue) gel roller refills.