Frixion Ball 4 now with a .38mm ink option! This pen is perfect for people who need to erase their pen marks, but want to have multiple colors at hand. The body of the pen is a unique mix of translucent and opaque material. We often use this pen to annotate books, charts, or calendars, and it is super handy for when we might need to change our notes.

• Barrel colors available in Gradient Pink, Gradient Silver, Gradient Light Blue, Gradient Purple, and Blue.
• Each multi pen includes blue, black, green, and red inks in .38 mm.
• Refillable with the Frixion Ball Slims .38 LFBTRF30UF 3 Pack in Blue, Black, and Red
• Refillable with the Frixion Ball 3 Refill LFBTRF30EF 3 Pack of .5mm in Blue, Black, and Red
• Also, refillable with any Frixion Ball Slim Refill colorful option!
• Comfortable grip