Square Replacement Drip Pan for the Big Chief, Little Chief and Mini Chief Electric Smokers. The Drip Pan is made of galvanized steel. When using your Drip Pan, spray it with non-stick cooking spray to help with cleanup. The Drip Pan should be cleaned regularly. Simply slip it into a sink of warm soapy water and after a short soak it will wipe clean easily.Big Chief Drip Pan dimensions: 16 1/2 in. x 10 3/4 in. x 1/4 in.