Sterilite Corp. Rectangle Ultra Seal, Size 3.1 Cup, Pack of 6 N/A Made in US Each Container Measures Approx. : 7 1/8" L x 5 1/8" W x 2 1/2" H Steam release vent in the lid prevents steam from building up in the microwave Color coded features in both the lid and base aids in easily identifying the proper lid and base combination Holds 3.1 Cups Per container