Wilton Excelle Elite Non-Stick Fluted Tube Pan, 9.75-Inch Versatile fluted tube pan makes beautiful cakes and so much more Made of steel; non-stick surface for easy release and quick cleanup 9.75 in. dia. x 3.37 in. (24.8 cm dia x 8.6 cm) Limited 10-year warranty Dishwasher safe; however, for best results hand wash in warm, soapy water before first and after each use