Double Decker Lunch Bag Aztec. Double the deliciousness of lunchtime with the Wildkin Double Decker Lunch Box. Insulated and non-toxic, this two-tiered lunch box keeps meals fresh. On top, a roomy pouch is great for chips, fruit and drinks. The lower level includes a dishwasher- and microwave-safe container, and is great to store the main event. Includes handy shoulder strap for easy carrying. The Double Decker lunch box is expertly designed for any lunchtime adventure.