The Tropic cool backpack has a capacity of 20L (offers space for 7 x 1.5L bottles) and is the perfect companion in your everyday life and in your leisure time during hikes or excursions. Not only your drinks and snacks stay pleasantly cool, but the young and dynamic design makes you a real eye-catcher. On the outside, the Lunchbag cooler bag is made of a high-quality polyester - inside, it is equipped with an antimicrobial additive that prevents the growth of bacteria.