🍺【DOUBLE WALL VACUUM INSULATION】We offer this 30OZ insulated tumbler with Double wall vacuum insulating body and purely stretch-formed liner ensure that 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. 🍺【FOOD GRADE】Our vacuum travel mug is made of the highest quality premium 304 18/8 food grade stainless steel, Lead free and not easy to fade, crack or peel, healthier and than plastic cup. Wide opening is easy to clean without worrying about dirt. The shape is tapered designed , so fits most car cup holders. 🍺【BPA FREE, COLORFUL MATTE POWDER COATING APPEARANCE】External powder coating will not sweat and slippery. You can hold in the hand comfortably. The polished frosted surface not only makes the glass look more elegant, but also keeps it purer and easier to clean. Electro-polished interior doesn't transfer flavor or no metal aftertaste, you can enjoy your afternoon tea. 🍺【APPLICABLE TO VARIOUS OCCASIONS】This 30oz stainless steel tumbler with lid are suitable for drinking tea, coffee, and water and so on. great for outdoor adventure, road trips, sports event, also the perfect travel cup to bring coffee from home to work or fill a tumbler of drink before you go to bed to drink through the night.