Uncap your imagination with uniball's POSCA PC-7M, the ideal water-based paint marker for large-scale precision work. The broad 4.5-5.5mm bullet-tip enables both precise coloring and large-scale precision work, making it the perfect paint marker for any level of crafter. The PC-7M marker enables artists to paint and draw on any surface from frescoes to large canvases; customizers to personalize their equipment from bikes to skateboards; and shops and restaurants to decorate windows and displays. Dilute, mix or blend the paint ink to create stunning effects for your indoor and outdoor projects. POSCA paint ink is permanent on porous surfaces and erasable on most smooth non-porous materials. Available in 15 bright, opaque colors, these non-toxic paint markers are as versatile as your imagination.