Sure, you could just carry your water bottle around, plenty of people do it. But wouldn't you rather conveniently tote it with an adjustable shoulder strap and fuzzy Chewbacca details?!  The Star Wars Chewbacca Bottle Cooler keeps the included 24oz bottle cool and secure with powerful insulation and a velcro top. Designed to hold 20 to 32 oz. water bottles & 750ml bottles, this is the versatile Star Wars drink carrier accessory every Wookie needs. Item cannot be shipped to P.O. Boxes