Earth Pan EcoFriendly 12 Inch Skillet The foundation of all Earth Pan cookware is the unique SandFlow nonstick coating that originates from sandused to manufacture kitchenware like glass and silicone bakeware. Just like the nonstick pans you've used over the years, Earth Pan cookware is formulated to provide excellent food release without use of cooking oils, and the pans are easy to clean. Based on industry lab tests, SandFlow nonstick surfaces are three times more durable than ceramicbased surfaces and they require 33 percent less energy to cure than traditional nonstick pans.