Perfect Slice 9" x 13" Covered Cake Pan with tool is more than quality baking pans; It's also a convenient cutting system. The unique patented guideline grid around the outer edges of every pan allows you to simply line up an exclusive Perfect Slice cutting tool, and press down to create any portion size desired. Every slice is beautifully uniform. The cutting tool with silicone handle is tough enough to cut the cake yet won't damage your pan.