Fifty/Fifty bottles by Icy-Hot Hydration will keep you drink ice cold for up to 24 hours and keep warm drinks hot for up to 12 hours.
Fifty/Fifty
Fifty/Fifty is a brilliant company solving problems that have silently plagued us for as long as cold and hot drinks have been put in cups. Water rings from cold water bottles sweating? Fifty/Fifty eliminated that with innovative double-wall construction. All of your favorite drinks return to room temperature too quickly to enjoy them? Try 24 hours to enjoy your cold drinks and 12 hours for hot drinks. It takes immense effort and talent to re-think something as integral as cups and bowls, but Fifty/Fifty has that talent and has created something truly worth enjoying.