The marker points  0.9-1.3mm PC-3M UNI POSCA is composed of an opaque water-based ink, without alcohol or solvent which can be used on all surfaces!
 Odorless, water resistant when dry and fade resistant.
 Perfect seal thanks to the valve system and piston mechanism. 
 Characteristics
 intense, opaque, brilliant, stackable, mixable and watercolor colors
 the calibrated tip allows a line of great finesse
 washable on smooth surfaces like glass,
 Indelible on rough, porous surfaces.
 NB Firmly shake the Posca marker pen to circulate the ball inside.
 To prime, exert pressure on the tip. Close well after use.