The S'well mission is to rid the world of plastic bottles. These non-toxic stainless steel bottles keep drinks cold for 24 hours and hot for 12 hours. Try the ice cube test: drop a couple ice cubes into your S'well and see how long they take to melt (if you're willing to wait!).
18/8 double-walled stainless steel
Non-toxic, non-leaching, BPA free
Bottles do not condensate
Wide mouth opening. Hand wash only.