About This 100% Airtight and Leak-Proof: The unique dual-latch locking systems make sure food stays fresh and that there are no spills. Safe for the Oven: The glass base stands up to oven temperatures reaching 450 degrees F. Splatter-Free Microwave Vents: Special vents allow for splatter-free microwaving when the lids are on and the latches are open. StainShield Lid: Made from an innovative plastic, the lids are stain- and odor-resistant. Smart Lid System: Lids can fit across multiple containers, which are stackable and modular. BPA-Free: The Brilliance containers are BPA-free, and microwave-, freezer-, and dishwasher-safe. 6-Piece Set: Includes one 1.7-cup container, one 2.9-cup container, and one 6.1-cup container, plus lids. Overview Brand : Rubbermaid Color : Clear Material : Glass Material Feature : Freezer Safe, Microwave Safe Capacity : 6.1 Cups