3 Qt. borosilicate glass (heat resistant) popcorn popper has a red, multi-functional silicone lid. Instructions: measure corn kernels by using measurements inside lid, pour kernels into popper, add butter (optional) to the lid, and set on top of popper. Microwave on high for 3 Min. to 3 Min. 30 Sec. No oil needed for healthier popcorn. BPA-free. Dishwasher safe.