NanoNine Stainless Steel double wall insulated lunch box is World's First Leak-proof PUF Insulated lunch box. The clip joint is designed to function like a hinge making it easy to attain leak-proof and airtight condition. The clips are Unbreakable and can be detached from the lid. Pull the air-vent lock to release the vacuum inside the steel tiffin, making it easy to open the lid. Carry your lunch in this world's first leak-proof insulated lunch box without any spillages or leakages. Lunch Pack is made with Rust Free and Corrosion Resistant Stainless Steel Double wall body and Insulated with PUF coating between the walls to prevent heat & nutrition loss. The airtight lid of the lunch box keeps food fresh for hours. Instantly transfer the Steamy Hot Content into the Tiffin to its full capacity, place the partition plate and lock the lid without delay. Do not open multiple times and store in Non AC Environment. NanoNine Insulock lunch box is the world's first Leak-Proof Stainless steel Insulated Tiffin. NanoNine Insulock is here to satisfy the need of every individual out there looking for a lunch box. From insulation to keeping food hot for hours to being leak-proof, it's got everything. It's suitable for all ages who need classy, but more importantly, an all in one lunch box. NanoNine takes pride in bringing Innovative Products that "Makes Life Simpler".  It provides you with a high-quality stainless steel insulated utensils, tableware and dinnerware. The product range includes casseroles, tiffin's, lunch boxes, Tea Pots, bottle set.