Royal Plastics supplies Plastic Insulated Lunch Box. Royal Plastics manufactures a wide range of home and kitchen utility plastic products such as Ice Box, Kettle, Serving Bowl, Lunch Carrier, Water Jug, Sipper, Microwave Plates and Fruit Basket. The Plastic Insulated Lunch Box is used by school going children due to its climate control technology that keeps food deliciously hot for long period. The Plastic Insulated Lunch Box is available in various colours, sizes and designs.