DS3 Biotic Pen, made from Bioplastic. The body surface and mechanism of the DS3 Biotic Pen are manufactured from 100% renewable raw materials. For the DS3 Biotic Pen 'Sand' this includes polyactide (PLA) and wood-plastic composites (WPC). The complete writing instrument (incl. refill and spring) is up to 80% biodegradable. Please note that bioplastics react more strongly to environmental factors such as heat, light, pressure and moisture. Complies with the EN 13432 standard for the compostability of bioplastics. Dia - 10.2 is also available.