The product features borosilicate glass, ensuring clarity and versatility for modern daily needs. It is designed with food safety in mind, odor-free, and effortless to clean. The lunch box is made from 100% durable, food-grade glass that can be safely used in the microwave and oven. Its leak-proof design includes silicone-lined lids and four secure plastic locks. Additionally, it comes with a convenient insulated carry bag. This product is also dishwasher safe and suitable for freezer storage, microwaving, or refrigeration. Sanjeev Kapoor offers a range of products crafted from high-quality materials, making this item easy to use and maintain. The material composition is borosilicate glass, consisting of three containers with 400ml capacity each.