Hand Crafted and Hand Painted Water Bottles. Enjoy the artistry of your one of a kind bottle from Swell from there many different style collections. Triple walled, non sweating thermas technology, insulated stainless steel. Will keep you Hot drinks hot for 12 hours and cold drinks cold for Hand Crafted and Hand Painted Water Bottles. Enjoy the artistry of your one of a kind bottle from Swell from there many different style collections. Triple walled, non sweating thermas technology, insulated stainless steel. Will keep you Hot drinks hot for 12 hours and cold drinks cold for 24.