Insulated Tumbler with Double Wall Vacuum Insulation Insulated Cup

20oz insulated tumbler with a double wall vacuum insulating body and purely stretch formed liner ensuring it is incredibly good at heat preservation. Every tumbler was tested to guarantee its high vacuum degree to keep your drinks cold and hot for several hours. It is made of the highest quality premium 304 18/8 food grade stainless steel that is lead free and not easy to fade crack or peel. The wide opening is easy to clean without worrying about dirt. The shape is tapered designed so it fits most car cup holders. The external powder coating will not sweat and is not slippery so you can hold it comfortably. The polished frosted surface makes the glass look more elegant and keeps it purer and easier to clean.