Cool Bag Lunch Box - Pineapple Tropical Design Tropical Pineapple Design Lunch Box Cool Bag. Need a handy, durable and lightweight lunch box that is practical, strong and looks great?! Then look no further than our woven cool bag range. Made from strong woven polypropylene, our cool bags are light weight and easily great for everyday use. They are a great gift with lots of designs to suit all tastes.