Mintage Steels Private Limited manufactures Easy to Carry Steel Lunch Box. Mintage Steels Private Limited supplies different types of Fashionable Stainless Steel Household Products, Cutlery and Kitchenware. The Easy to Carry Steel Lunch Box is made using quality steel to ensure that the nutritional value of the contained food stays for longer time. The lunch box is portable and is used in high demand in the market. These highly durable and leak proof products are available with a thermal pouch to keep the food warm for long period of time.