Descriptions: Colorful Liquid Pen Ideal for decorating and writing on glass, windows glossy board and all non-porous surfaces Use them like normal markers,just shake first Erase with disposable tissues or cloth Color: White Also Great for chalk labels and small boards at home Brand New and High quality Package includes:3 x Liquid Chalk Pen(not including blackboard). Chalk Ink Markers contain a pigment-based, paint-like formula that provides vibrant color and opaque coverage. An innovative chalk alternative that works like a paint pen, with the same look and feel of chalk but without the powdery mess. Once dry, Chalk Ink does not smear or come off until removed with water. For painting on wood, ceramics, pottery, glass and plastic. Chalk Ink is ideal for artwork, menu boards, chalkboards, general signage or labeling. Odor-free, water-based Chalk Ink is a safe and non-toxic product.