Also powered by…. you guessed it… water! Product features– Double-wall stainless steel keeps drinks hot up to 12 hours and cold up to 24 hours– Matte, grainy finish with vivid, high-quality print– BPA-free construction; Intertek and RoHS certified– Available in 12oz, 18oz, and 32oz sizes with a BPA-free twist-on polypropylene…