The Cristal Xtra Smooth Ball Pen is The Pen America Grew Up With. It has proven reliability, writing up to 35% smoother than BIC’s traditional ballpoint ink. It features a roll-proof hexagonal-shaped barrel so it wont roll off surfaces. The clear barrel offers a visible ink supply. Value PackStock up and save Pen Sub-Brand & SKU Line: Cristal Xtra Smooth Pen Style: Stick Pen Type: Ballpoint Pen Refillable Yes/No: No.