An environmentally responsible material that can be widely adopted as a substitute for Sintra in the event and graphics industries. Green Core offers a super-smooth finish, making it an excellent choice as a direct-print substrate. Green core is made from Forest Stewardship Council Certified wood, flax and linseed oil, and ferrous oxide (iron). Available in 1/8" and 1/4" sheets, double or single sided printing. Green Core is all natural, biodegradable and completely recycleable.