Nostalgia Electrics RKP530 Retro Series Kettle Popcorn Maker 2.5-ounce stainless steel kettle with built-in stirring system Pops up to 10 cups of popcorn per batch Tempered plastic windows Traditional hot oil kettle popcorn popper Great for movie time 2.5-ounce stainless steel kettle with built-in stirring system Pops up to 10 cups of popcorn per batch Tempered plastic windows Traditional hot oil kettle popcorn popper Product Built to North American Electrical Standards