Our ONGROK Degradable Grinder is made almost entirely of degradable material! This grinder uses 24 triangular-shaped teeth to provide a medium to fine-grind every time! We recommend keeping the product in its original box or an ONGROK wallet or bag until you're ready to use, as this will keep the product from degrading over time. Ongrok Grinder Features Pocket-sized and durable design Environmentally friendly, degradable body Majority of the grinder material is made out of PLA