The universal double boiler fits any 2 to 4 quart sauce pan. The boiler has an 8 cup capacity and a non-stick finish for easy clean up. Designed for gently heating sauces, melting cheese, chocolate or candy coating. Interior Dimensions: L: 8.5 in. W: 8.5 in. H: 4 in. Material: Aluminum Warranty: 5 Year Warranty For CALIFORNIA SHIPMENTS: Please refer to NORDICWARE.COM/MATERIALS for MATERIALS DISCLOSURES.