The EcoGrate Series is made from eco-friendly organic Moso bamboo. Bamboo is known to be a sustainable alternative to plastic. Bamboo is known to be a sustainable alternative to plastic, reducing the carbon footprint of these graters at point of manufacture. Microplane® EcoGrate Cheese Graters offer a broad grating surface for more room to efficiently get the job done. All are dishwasher-safe and feature razor-sharp surgical-grade stainless steel blades