Liquid Impression porous point pen combines function and style in an attractive design. Barrel features a visible ink supply that allows user to monitor ink levels. Includes a tough, plastic tip that holds up to extended use. Ink is non-refillable, and non-permanent. Uses water-based pigmented ink. Pen Sub-Brand & Product Family: SKILCRAFT® Liquid Impression; Pen Type: Porous Point Pen; Pen Style: Stick; Pen Tip Type: Needle.