It ships with a nib-cleaning sheet and a flush suction bulb for maintenance

Grogs Black Magic Ink is a special invisible ink that is totally invisible when applied but in turns into a deep dark color in reaction with daylight/UV-light

rinse it under a tap

German aerosol artists Won

ZIG Clean Color DOT Pen

uni posca pen case red Sabe It ships with a nib-cleaningThis is an empty storage case shaped like an oversized POSCA marker, holding up to 12 standard medium markers (PC 5M size) or a larger mixed assortment of finer pens, pencils, and rulers. A secure zip closure wraps around the top to keep everything from spilling out in transit, and the case fits inside a backpack or tote without taking up much space. Specifications Capacity: up to 12 PC 5M markers, or a larger mixed assortment Dimensions: 20. 0 cm