Eco-friendly material: Ballpoint pen is made from natural bamboo wood and is plastic-free, contributing to sustainable use. The surface is smooth and naturally friendly to the touch.Brilliant Writing: The ergonomic shape and soft ballpoint refill glides gently across the paper for a perfect feel and a comfortable, smooth writing experience.Exquisite design: Each ballpoint measures approx. Ø1 x 13.8 cm with a 1.0 mm nib and a high-capacity refill with fast-drying black ink for smudge-free writing.use anytime: Retractable biros with metal clip that attaches to your pocket, collar or briefcase pocket so it's always ready when you need it most.Wide Application: Ideal for occasions such as schools, offices and business meetings, it is the perfect gift for colleagues, family, friends, classmates and co-workers.material: natural bamboo woodsize： approx. Ø1 x 13.8 cm，1.0 mm nibblack inkpackage included：30 Set Bamboo Wooden Ballpoint Pen