Posca PC-3M Fine Glitter Set 8pcPOSCA PC 3M Fine Glitter Set 8pc are non toxic, water based markers that can be used on almost any surface. Their opaque paint covers well, is blendable, and dries fast. The pen is equipped with a valve for a tight seal and a ball which keeps the paint consistent. The tips can be rinsed with water and some are reversible. The caps ensure the protection and longevity of the pen. Without requiring primer, these versatile markers can be used on paper,