Color: Transparent; Material: Glass; Package Content: 2 - Pieces All Fresh Square Glass Tiffin (400 ml Each) with Jacket. | Borosilicate Glass Construction: lunchboxes are crafted from premium borosilicate glass, renowned for its exceptional temperature resistance and durability. This high-quality material is designed to withstand extreme temperatures, making it ideal for both daily use and commuting. Its durability ensures long-lasting performance and reliability, even with frequent handling and varying temperature changes. Temperature resistant from -40 degree to + 400 degree Celsius. | Airtight Seal and Air Vent Knob: The container is equipped with a secure clip-fresh lid that creates an airtight seal, ensuring your food stays fresh and protected from moisture and air. Additionally, the air vent knob allows for easy steam release when heating food in the microwave, preventing spills and maintaining optimal freshness. | Leak-Proof, Airtight, BPA-Free Lids: Our lunchboxes are equipped with leak-proof lids featuring a 100% airtight seal, designed to keep your food secure and fresh. The airtight design prevents odors from escaping and ensures that your meals remain delicious and unspoiled. Additionally, the lids are made from BPA-free materials, ensuring a safe and healthy storage solution for your food. | Microwave & Freezer Safe: Reheat your meals directly in the lunchbox without the need to transfer to another container. Our lunchboxes are designed to be safe for use in both the microwave and freezer, allowing for convenient meal preparation and storage. Enjoy the ease of reheating and freezing your food with confidence. | Contemporary bag - The Treo By Milton All Fresh Square Glass Tiffin Containers come with a sleek, insulated carrybag that perfectly complements the glass lunch boxes. This contemporary carrybag is designed with both style and functionality in mind, offering a fashionable and practical way to transport your meals. It ensures that your food stays at the right temperature, whether you need to keep it hot or cold, making it ideal for office, college, or any on-the-go situation.