- Versatile Glass Food Storage Containers: The JoyFul glass meal prep containers are designed for a healthier lifestyle. They seamlessly transition from freezer to oven without breaking, making them an ideal choice for all your food storage needs. - Complete Set of 12 Airtight Containers: This set includes four rectangle containers (35oz, 21oz, and two 12oz), four square containers (27oz, 17.5oz, and two 11oz), and four round containers (32oz, 21oz, and two 13.5oz). Heights range from 1.75 to 2.3 inches, providing a variety of shapes and sizes to fit different meal portions. - Superior All-Temperature Performance: Crafted from Borosilicate Glass, known for its durability, these containers withstand extreme temperatures. They are dishwasher and microwave safe (not the lids) and can handle oven temperatures up to 1040°F. Both lids and containers are fridge and freezer safe down to -104°F. - Airtight Seal for Maximum Freshness: Each container features a silicone seal and secure hinge clips, ensuring an airtight environment that keeps food fresh and free from odors. They are also leakproof, making them perfect for soups and other liquids in your lunch bag. - Practical Use Scenarios: 1. Meal Prep: Prepare and store a week's worth of meals in advance, keeping your food fresh and organized. 2. Leftover Storage: Use these containers to store leftovers, ensuring they remain fresh for your next meal. 3. On-the-Go Lunches: Pack soups, salads, or snacks without worrying about leaks or spills, thanks to the airtight and leakproof design. Choose JoyFul glass food storage containers for a reliable, versatile, and health-conscious solution to your food storage needs.