SWIG 40 OZ. MEGA MUG - MR CLAUS
Best insulated mug for commuters needing all-day temperature control.
Experience mega sips and mega chill with this vibrant, check-patterned 40oz Insulated Mega Mug. Designed for ultimate convenience, it features a cup holder-friendly frame, a comfortable grip handle, and a plastic straw with a silicone flexi-tip. This mug keeps drinks cold for over 24 hours and hot for over 9 hours, thanks to its double-walled, vacuum-sealed, and copper-plated construction. It's condensation-free, non-breakable, and includes a built-in silicone coaster base to prevent slips and scratches. The mug comes with an X-Large Straw Lid and a reusable plastic straw.
$26.40
Owner Satisfaction
4.7
/ 5
Category Rank
77
/ 986
#77 in Thermoses
Price vs Category Average
-50%
Below average
Capacity
40
/ oz
Who it's for
- Commuters wanting drinks to stay hot or cold for hours
- Holiday enthusiasts seeking a festive and comfortable carry-all mug
- Busy professionals needing all-day hydration without constant refills
Who should skip it
- Commuters with small cup holders or limited bag space
- Users preferring low-maintenance drinkware that is easy to clean
- Budget-conscious shoppers looking for affordable everyday drinkware
Performance breakdown
Thermal Retention
Copper-plated vacuum insulation keeps beverages icy or steaming for extended periods.
Ergonomic Design
Comfort-grip handle and tapered base make this massive mug surprisingly portable.
Surface Protection
Integrated silicone coaster base effectively prevents slips and unsightly table scratches.
Travel Compatibility
Slim tapered frame fits most standard cup holders for effortless commuting.
Build Durability
High-grade stainless steel construction ensures a rugged, shatterproof daily companion.
Maintenance Ease
Hand-wash only requirement limits convenience compared to dishwasher-safe alternatives.
Key Specs
Capacity
40oz
Material
304-18/8 stainless steel
Insulation
Keeps drinks cold 24+ hours and hot 9+ hours
Construction
Double-walled, vacuum-sealed, copper-plated
Included
X-Large Straw Lid and Mega Mug plastic straw with silicone flexi-tip
Design
Cup holder-friendly frame, comfort-grip handle, silicone coaster base
Dishwasher Safe
No
Microwave Safe
No
Features
- Keeps drinks cold over 24 hours, hot over 9 hours
- Comfortable grip handle for easy carrying
- Fits most standard cup holders
- Condensation-free exterior prevents moisture rings
- Durable, non-breakable construction
- Built-in silicone coaster protects surfaces
- Includes reusable straw with silicone flexi-tip
- Double-walled, vacuum-sealed, copper-plated
What customers say
Customers overwhelmingly love the SWIG 40 OZ. MEGA MUG, especially the festive 'Mr. Claus' design. The primary focus is exceptional thermal performance; beverages stay ice cold for over 24 hours, far surpassing many competitors. Its large 40 oz capacity is perfect for all day hydration, minimizing refills. Reviewers consistently praise the vibrant, durable finish and the secure, splash proof lid system, which enhances daily usability. While the mug is premium priced, its superior quality, robust insulation, and appealing aesthetic provide strong value. Minor size concerns for smaller hands are generally overshadowed by the mug's reliable performance and attractive holiday look.
Know before you buy
Yes, the Mega Mug is specifically designed with a tapered base to fit most standard vehicle cup holders, despite its large 40oz capacity.
No, this mug is not dishwasher safe. We recommend hand washing it to preserve the vacuum seal and the integrity of the exterior finish.
Thanks to the double-walled, copper-plated construction, this mug keeps drinks cold for over 24 hours and hot for over 9 hours.
Not at all. The vacuum-sealed, double-walled construction is condensation-free, and the built-in silicone coaster base provides extra protection against slips and surface scratches.
Yes, the mug comes with an X-Large Straw Lid and a reusable plastic straw that features a silicone flexi-tip for a more comfortable drinking experience.
No, this mug is made of stainless steel and is not microwave safe.
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Ask Hayley anything about this product before you decide.
Ready to buy?
$26