Glass Food Storage Containers for Everything! Aside from the obvious fact that JoyFul by JoyJolt glass meal prep containers are healthier for you and your food, you can also go from freezer to oven without breaking, with a variety of shapes and sizes to fit your purpose. What a JoyFul Idea! 12 Airtight Food Storage Containers With Lids: Includes Four Rectangle Containers 35oz (8x6in), 21oz (6.75x5in), 12oz (two 4.2x5.5in). 4 Square Containers 27oz (6in), 17.5oz (5.2in), 11oz (two 4.3in). 4 Round Containers 32oz (6.75in). 21oz (5.9in), 13.5oz (two 5.2in). Height ranges from 1.75-2.3 inches. All Temp Food Containers: Made from Borosilicate Glass (aka, space shuttle glass), your containers are robust and love extremes! They’re Dishwasher Safe, Oven Safe to 1040DegF and Microwave Safe containers (*NOT THE LIDS). Both lids and containers are fridge safe and Freezer Safe to minus 104DegF Airtight Containers For Fresher Food: The airtight silicone seal and secure hinge clips means you can use them for a food container without odors and air, getting in or out! They're also leakproof glass lunch containers so go ahead and use them as soup containers in your lunch bag without fear! JoyFul (by JoyJolt) glass tupperware will arrive securely gift boxed like all JoyJolt Glassware and comes with our robust 12-Month Warranty. So contact us if anything goes wrong, ok? And whether you’re using them for lunch or leftover we only have one rule - Live JoyFul and Cook for Joy!