Zebra Sarasa Clip Gel Ballpoint Pens with Black 10 Pens BioTube, 0.5mm Water-Clear Barrel, Ink, (B-BI-JJ15-WC)

[Feature 1] An industry first! The core tube is made of 30% sugarcane-derived biomass resin. [Feature 2] The product itself is made from recycled materials that have a low impact on the environment. [Feature 3] The design is inspired by earth tones that evoke environmental considerations. [Feature 4] Biomass Plastic Mark and Eco Mark certified. [Body size] Maximum shaft diameter 11 x 141 mm / Weight 10.9 g