Body Surface & Mechanism of the Ds3 Biotic Pen Are Manufactured From 100% Renewable Raw Materials. for the Ds3 Biotic Pen Sand, This Includes Polyactide (pla) & Wood-plastic Composites (wpc). the Complete Writing Instrument, Including Refill & Spring, is Up to 80% Biodegradable. Available in Sand, Snow White, Carrot Orange, Fire Red, Sea Blue, Grass Green, Night Black. Minimum Quantity: 500.