Vacuum insulation technology keeps beverage hot or cold for over 6 hours Super clean interior finish prevents against odors and stains Compact and light weight to easily carry inside your bag Direct drink type with push up lid BPA free bottle Stainless steel travel mug with pop-up lid 0.36-L / 12-Ounce capacity. Slim & light design to store into the bag, one push operation to drink directly from the mug with one hand, and super clean interior finish to make it tough against stains and odors for long usage of the mug.