All steel construction and stainless steel serving surfaces make these machines extremely durable. Besides "Swing Down" kettle design, and removalble one piece agitator blade, this Echols 6 oz. popper has lift-off Plexiglass door that makes Cleaning a snap. The easy to load one piece kettle lid with magnetic catch also features a Twist lock plug for easy kettle removal. A 250-Watt Heat lamp on top and base heater keeps popcorn warm and fresh until served.