The EcoGrate Lemon Zester Cheese Grater is the perfect tool for adding fresh-grated ingredients to all your signature meals. The entire grater is BPA, Melamine, PVC, and Phthalate free. The sharp, etched stainless steel grating surface for fast, easy zesting and grating. The grater frames are made with a mixture of organic moso bamboo and plastic resin. Although technically a grass, the bamboo fiber when mixed with resin and starch make it as durable as steel.