Top grade stainless steel, double wall design, vacuum insulated, keep drinks or foods hot and cold. * Food grade revolvable plastic stopper prevents leaks. Simply and conveniently revolve for open and close. * Wide mouth design, easy to clean. Also food or ice-cube can be put in easily. * Foldable plastic handle, easy to carry. This vacuum flask also comes with carry strap. * Stainless cover is also the cup, to share drinks.