Keep your beverages hotter, colder, fresher, for longer with maximum insulation. 15-once, BPA free, stainless steel double wall vacuum insulated travel mug/tumbler for hot & cold drinks. The durable, light feel makes the tumbler easy to carry and the sleek narrow design makes it a perfect fit for most standard cup holders. Secure lid screws on tightly and Flip-Up top snaps shut to avoid spills or leaks. Non-skid bottom keeps the tumbler in place and avoids any unsightly condensation marks. The smooth and polished interior makes it tough against stains and odors.