12-color Pentel color pen set ▷ Washable I've never actually had to wash them out after they've been used. I have been using them. There is some wear and tear. I confirmed that all the pens work, and I didn't see any colors that didn't come out or were discolored when I checked them. 12 colors included ▷ Black, Brown, Pale Orange, Orange, Red, Pink, Purple, Blue, Light Blue, Green, Yellow Green, Yellow Thank you for looking.