The Luxe AUTOSEAL® Vacuum-Insulated Stainless Steel Travel Mug, 16 oz., combines the convenience of drinks that stay hot or cold for hours with an elevated metallic finish sure to get noticed. Plus, the lid's push-button AUTOSEAL® technology seals when you're done sipping, making the mug 100% spill-proof for confidence against messy spills on the go. The lid can be locked when not in use to ensure the button isn't pressed accidentally in transit. THERMALOCK™ stainless steel double-wall vacuum insulation means drinks stay hot up to 5 hours/cold up to 12