Pinner says - These pens are pilot frixion gel pens. You can erase them. And they don't leave erase dust behind, plus they erase away completely. They come in markers, pens, and highlighters. You have to use special erasers but they are amazing!
Pentel Fude Touch Sign Pen - 12 Color Bundle - JETPENS PENTEL BUNDLEfeatures a durable brush tip that offers good control while drawing varying line widths. The water-based dye ink flows smoothly and is available in a wide range of bright colors.
Pilot Gel Ballpoint Pen Juice - 0.38mm / 0.5mm - 12 color set