Compatible media: Water-soluble colored pencils

and fast wet-area work — the right choice when speed and broad stroke width matter more than fine detail or precise line control

Fine grain face for pencil and charcoal

which keeps lead from advancing accidentally while it's loose in a bag or pencil case

and corporate catalogers who need smudge-free performance at writing speed

pentel pocket brush pen refill cartridges 4 pack DUA Compatible media: Water-soluble colored pencilsFour replacement ink cartridges for the Pentel Pocket Brush Pen (GFKP GPP3 series). Push engagement seal swaps cleanly mid session with no leaks. Pigment based black ink waterproof and fade resistant once dry, so watercolor washes or alcohol markers can go over your lines without bleeding or reactivating. Contents: 4x black cartridges Ink: Pigment based, waterproof, UV fade resistant Fits: Pentel Pocket Brush Pen (GFKP GPP3)