Microwave Safe: Reheat meals directly in the container—just remove the lid before microwaving. Food Safe & Non-Reactive: Made from food-grade, rust-resistant stainless steel that keeps meals fresh, hygienic, and safe—without any chemical interaction, preserving the food’s natural taste and nutrition. Spill-Proof Lid: Leak-free design with food-grade silicone seal—perfect for dal, curry, or soups. Easy to Clean: Wide mouth allows easy hand washing. Not dishwasher safe. Warranty : This steel lunchbox comes with 1 year warranty by Borosil for any manufacturing defects.