There is zero plastic in these hemp grinders. Santa Cruz Shredder uses all-natural hemp with a hemp-based binder, so you can feel good about throwing it in household garbage. The grinder itself is 100% biodegradable. This hemp grinder is extremely durable!After nearly a year of hard labor, our test models did not show any sign of slowing down. Design to give you a consistent fluffy grind that Santa Cruz Shredder is known for. New Color Hemp Shredders are made with natural dyes to keep these completely biodegradable.