Tupperware Ultra Pro Oval Oven Safe 6 Qt /5.75 L Lasagna Casserole Microwave New Cosmos Black by Tupperware Tupperware Ultra Pro Oval Oven Microwave Safe 6 Qt /5.75 L Capacity 12" length x 9 1/8 " width x 5 1/2" height Great for large quantities and family size! Cosmos Black