Chop vegetables fast and easy. Measures, 8.25"/21cm. Capacity, 1 cup/8 ounces. Body is heavy duty plastic. Stainless steel blades rotate after each press. Rotating blade keeps food off sides while chopping. You can chop with the plastic lid on or on the cutting board. Handy cap keeps vegetables contained while chopping and covered while storing unused portion. Comes apart for easy cleaning.