The inviromentally friendly pen made from recycled plastic. The UNI Eye Ocean Care has high quality - more clear and more inviromentally friendly than ever. -made from 75% recycled plastic (10% from ocean) -with Uni Super water-fading resist ink -high quality roller pen with unic "Uni-Flow" system - grant smooth flow ink -with cup -ball diameter: 0,7 mm -line width: 0,5 mm -color: black