Specially engineered stainless steel restrictors help optimize popping performance Pops up to 20 cups of popcorn in about 3 1/2 minutes Vented cover assures crispy popcorn; Base nests inside cover for compact storage Makes as much or as little as you want from 10 to 20 cups; Popping capacity: 5 quarts (4.8 L) Cover doubles as a serving bowl; Just snap lid on vented cover, flip over and remove base; Pops without oil so the base and cover simply wipe clean