R.S.V.P. Ballpoint Stick Pens include an ergonomic barrel look with a gentle, latex-free, rubberized, Comfort Zone grip. Refillable pen provides outstanding harmony, comfort and control for fatigue-free writing. Long-lasting, stainless steel suggestion delivers a consistent line with smooth ink. Color signal ball in cap as well as sleeve on barrel match ink color. Refill with Pentel BKL7 (0.7mm ) or BKL10 (1.0mm) refills.