Make an irresistible batch of popcorn in the microwave with our cleverly designed popper. Crafted of ultra-durable borosilicate glass, it's topped with a vented silicone lid for melting butter. Put it in the microwave and in just 3 minutes, you can enjoy fresh, warm popcorn. Made of borosilicate glass with heat-resistant silicone lid. Pops approx. 2 1/2 quarts of popcorn. Dishwasher safe. new in box