The ultimate fashionable and stylish "Le Baton" vacuum flask keeps drinks cold for up to 24 hours and hot for up to 8 hours. The sleek design of this trendy bottle makes it the perfect travel companion; it slips effortlessly into laptop bags, carry-on luggage and backpacks. Drinking from a stainless steel bottle is definitely a more sustainable and sensible way to enjoy your drinks. With Asobu® No Metal Taste ceramic liner (Puramic) your drink retains the perfect taste, while the vacuum-insulated stainless steel exterior keeps drinks hot all day. Once you use these ceramic-lined thermos, you probably won't want to use regular stainless steel bottles again.