Natural Home Molded Bamboo Ribbed Measuring Cups, Natural Made with Patented 100% Molded Bamboo - alwaysMelamine Free, Plastic Free, BPA Free Includes , 1/3,  , & 1 Cup Permanent measurement markings embedded into each handle, ensuring readability for life (Wont rub off with multiple washings) Comes on detachable ring for easy use & washing purposes A sustainable and ecofriendly alternative to the chemically based plastic;Top-Rack Dishwasher Safe