Made with a carefully calibrated combination of biomass plastics using raw materials from plants, the Acroball pen contains 15.1% of biomass plastic. The Pilot Biomass Acroball pen is all about its smooth low viscosity ink for incredibly effortless writing, making it a firm favourite amongst ballpoint pen lovers. Encased in a white pen barrel with a pale green rubber grip reminiscent of plants, the Pilot Biomass Series was intentionally designed with a clean and minimalist look, alongside a sleek body and ergonomic rubber grip to ensure maximum comfort when writing. Refillable with BRFV10