Grounded, Eco-Conscious Writing in Earth Blue
The Zebra Biotube Jim Knock Ballpoint Pen in Earth Blue pairs a calm, grounded barrel colour with smooth black ink for everyday writing. Its body uses sugarcane-derived biomass plastic to reduce reliance on conventional materials, while the water-resistant 0.7 mm emulsion ink produces clean, dependable lines. A comfortable rubber grip and refillable design make it ideal for note-taking, journaling, studying, and office work.
Product Highlights
• Earth Blue barrel brings a calm, understated look to everyday stationery
• Sugarcane-derived biomass plastic helps reduce CO₂ emissions by 73% compared with conventional pens
• Water-resistant black emulsion ink delivers smooth and consistent lines
• Refillable, Eco Mark-certified design supports long-term everyday use
Product Details
• Type: Retractable Ballpoint Pen
• Tip Size: 0.7 mm
• Ink Type: Water-Resistant Emulsion Ink
• Ink Color: Black
• Barrel Color: Earth Blue
• Mechanism: Knock-Style Retractable
• Material: Sugarcane-Derived Biomass Plastic
• Grip: Rubber Grip
• Features: Refillable with Sturdy Pocket Clip
• Certification: Eco Mark Certified
• Brand: Zebra
• Made in Japan
A Little Note
Quiet and grounded, Earth Blue brings a balanced touch to daily writing. Its smooth black ink and comfortable construction make it a dependable choice for thoughtful notes, focused study, and everyday planning.
