No more cold tea
I work long hours on calls and my tea always used to get ice cold. This keeps it at the exact drinking temperature. Plus the Grinch vibe is hilarious.
4.9/5 from 2,150+ reviews
Never drink cold coffee again
The grumpy-yet-cozy heated mug set that keeps your brew hot for hours.
- 30-day guarantee
- Ready to gift
14,000+ warm mugs shippedRated 4.9/5 by 2,150+ drinkers98% gift recipient satisfactionFast dispatch for the holidays
Hot sips made simple
Three simple steps to warm coffee all morning long
Plug in the base
Connect the compact heating coaster to your laptop, desk hub, or USB wall block with the included power cable.
Place your mug
Pour your freshly brewed coffee, hot tea, or cocoa into the Grinch-themed ceramic mug and set it on the pad.
Tap to warm
Press the illuminated sensor button once. The gentle glow confirms your beverage is held at the ideal drinking temperature.
Sip at your pace
Top with the matching ceramic lid to lock in aroma and heat while you work, read, or enjoy a slow Sunday morning.
Plug in the base
Connect the compact heating coaster to your laptop, desk hub, or USB wall block with the included power cable.
Place your mug
Pour your freshly brewed coffee, hot tea, or cocoa into the Grinch-themed ceramic mug and set it on the pad.
Tap to warm
Press the illuminated sensor button once. The gentle glow confirms your beverage is held at the ideal drinking temperature.
Sip at your pace
Top with the matching ceramic lid to lock in aroma and heat while you work, read, or enjoy a slow Sunday morning.
Built for cozy mornings
Everything inside the box for your daily desk ritual
Festive Ceramic Mug
Heat-Lock Ceramic Lid
One-Touch Warmer Base
Gold Stirring Spoon
USB Desk Powered
Gift Box Included
The morning desk check
Right now you are...
- Drinking bitter lukewarm coffee after one phone call
- Microwaving the same mug three separate times
- Leaving cold forgotten tea on your work desk
- Settling for boring plain mugs with no personality
With GrumSip you are...
- Sipping warm coffee at your desk at 11am
- Keeping your exact brew flavor intact all day
- Staying focused at work without kitchen trips
- Smiling at a cheeky festive design every morning
Upgrade your mug
30-day money-back trial on every order
Over 14,000 mugs shipped
See why work-from-home pros, coffee lovers, and cynical holiday fans refuse to start the workday without GrumSip.
Winner at Secret Santa
Bought two for our office Secret Santa swap and kept one for myself. The gold spoon and ceramic lid make it feel like a high-end gift set. 10/10.
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