Ballpoint pen with pen body made of > 62 % biobased plastic. Clip and push button made of metal. Writing colour black. With replaceable giant refill Medium (M), waterproof according to ink standard ISO 12757-2. The wear-resistant stainless steel tip guarantees that the large ink supply can be fully used and does not smear. Thanks to the clever Plug+Play system, the K 3 Biosafe pen can use a variety of refill formats.