Sigma Poly Steel Lunch Box

- Slim lunch box to carry easily, made of food grade plastic and stainless steel 
- Polycarbonate lid and locks are unbreakable with regular use and ensure durability for years 
- Includes an air tight SS container 
- Silicon air vent to open easily when filled with hot food 
- Insulated with PU foam to keep food hot for upto 3-4 hours 
- Rigorously tested to ensure it is free of Bisphenol A (BPA) and plasticizers 
- Made of 100% food-grade plastic and 304 grade steel