This Cocoaumo Bamboo Infinity Pen infinity pen will outlast around 100 pencils! It has a writing length of up to around 20. 000 Metres using a graphite tip to produce a graphite line. Not only does it write like a pencil, but the markings can be erased. Retractable so you can easily pop it in your bag. In an Certified Sustainably Sourced kraft gift envelope.