Copper is an ideal material to make a soft fluffy egg roll (Japanese omelet), for its feature to transferring heat fast and evenly. Unlike non-stick pans, you might have your egg rolls burnt when first time use. By trying several times, you would success making a tasty egg roll at your home. The rectangular Kansai style is convenient for making dashi-maki egg rolls, which require to roll the egg several times. The square Kanto style is often used for making egg rolls for sushi.