Durable Food Grade Borosilicate Glass: Crafted from premium borosilicate glass, these containers offer exceptional durability and resistance to stains, odors, and discoloration. A safe and long-lasting alternative to plastic storage, ensuring your food stays fresher and healthy. Secure Silicone Sealing Closure Lock Cover: Each container features a leakproof silicone sealing closure lock cover, keeping your food fresher and secure while preventing spills. Perfect for packing lunches, storing leftovers, or transporting meals with confidence. Stackable Space-Saving Design: Designed for convenience, these glass containers are stackable, optimizing storage space in your kitchen cabinets, refrigerator, or freezer. Say goodbye to cluttered storage and hello to an organized kitchen with these practical and space-efficient containers. Versatile Microwave, Oven, and Refrigerator Safe: Enjoy the flexibility of using these reusable glass lunchbox in the microwave (lid removed), oven, dishwasher, and refrigerator. Ideal for meal prep, batch cooking, or storing leftovers, these glass meal prep container are a versatile solution for all your food storage needs. Various Specifications and Shapes Available: With a range of sizes and shapes to choose from, you can select the perfect container to suit your specific needs. Whether you need a compact option for snacks or a larger one for family-sized meals, our collection has you covered. Item Name: Bento Box Material: Heat-resistant Glass Shape: Rectangular, Square, Round Whether to Keep Warm: No Pattern: Solid Color Applicable Population: Adults Box Layer Number: Single Layer Whether It Is Electric: No Capacity: 390ml/640ml/970ml Features: Silicone Sealing, Stackable, Space-Saving Size Details: 390ml: Diameter: 13.7cm/5.39", Height: 6.3cm/2.48" (Approx.) 640ml: Diameter: 15.8cm/6.22", Height: 7cm/2.76" (Approx.) 970ml: Diameter: 18cm/7.09", Height: 7.6cm/2.99" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bento Box