The RAMBLER 14 OZ CL MUG 2.0from YETI is made from impact-resistant stainless steel, because yes, it's important to protect every one of your favourite beverages.
Double-walled vacuum insulation keeps your favourite drinks hot or cold. This container features a MagSlider™ cover to prevent spillage.
Note that it is not waterproof, but adds a protective barrier to keep drinks inside and prevents heat or cold from escaping.