The Eva Solo Cool thermal flask is the perfect travel companion for when you’re out on the move. The thermos is 100% watertight and will keep your beverages cold for up to 24 hours thanks to its double-wall design and vacuum insulated seal. The practical lid always closes tightly and securely so that you can put it in your bag without fear of spills or messes. You can also use the thermal flask to keep hot beverages warm for several hours.