The Tropic cooler backpack has a capacity of 20 liters and can hold 7 x 1.5-liter bottles. It is the perfect companion for everyday use as well as for hikes or outings. Not only do your drinks and snacks stay pleasantly cool, but the young and dynamic design makes it a real eye-catcher. On the outside, the lunch bag cooler is made of high-quality polyester, while the interior is equipped with an antimicrobial additive that prevents the growth of bacteria.