Mahjong Stemless 12oz
Best insulated tumbler for commuters and home beverage enthusiasts.
Enjoy your favorite beverages with the Swig Mahjong Stemless 12oz tumbler. Its double-walled, vacuum-sealed, and copper-plated construction ensures superior temperature retention, keeping drinks cold for over 9 hours or hot for more than 3 hours. The condensation-free exterior and built-in silicone coaster base protect surfaces, while the durable stainless steel body offers lasting use. It comes complete with a functional Medium EZ Slider Lid, featuring a removable slider for easy sipping and cleaning, making it perfect for home, office, or travel.
$35.00
Owner Satisfaction
4.7
/ 5
Category Rank
315
/ 9678
#315 in Tumblers
Price vs Category Average
-34%
Below average
Capacity
12
/ oz
Who it's for
- Slow sippers needing long-lasting temperature control
- Style-conscious drinkers wanting a unique, decorative accessory
- Active users requiring a stable, slip-resistant tumbler
Who should skip it
- Hydration enthusiasts needing larger volume for water or coffee
- Busy individuals preferring the convenience of dishwasher-safe drinkware
- Commuters needing a fully leakproof container for their bag
Performance breakdown
Temperature Retention
Copper-plated insulation keeps beverages at ideal temperatures for extended daily sessions.
Surface Protection
The integrated silicone base eliminates the need for extra coasters.
Cleaning Convenience
Removable slider simplifies maintenance, though hand-washing is required for longevity.
Build Durability
High-grade stainless steel construction withstands the rigors of daily travel.
Condensation Control
Vacuum-sealed walls ensure your desk stays completely dry and sweat-free.
Ergonomic Utility
The stemless design offers a stable, comfortable grip for casual sipping.
Key Specs
Capacity
12oz
Material
304-18/8 stainless steel
Construction
Double-walled, vacuum-sealed, and copper-plated
Insulation Performance
Keeps drinks cold 9+ hours and hot 3+ hours
Lid Type
Medium EZ Slider Lid with removable slider
Base Feature
Built-in silicone coaster base
BPA Free
False
Dishwasher Safe
False
Features
- Superior temperature retention
- Condensation-free exterior
- Durable stainless steel construction
- Protective silicone coaster base
- Functional EZ Slider Lid
- Removable lid slider for easy cleaning
- Keeps drinks cold 9+ hours
- Keeps drinks hot 3+ hours
What customers say
The unique Mahjong design is consistently praised, making this tumbler eye catching and fun. Functionally, users highlight excellent quality and reliability, specifically noting superior temperature retention that keeps drinks cold for many hours. The construction feels durable and premium, validating the investment. This product successfully merges distinctive style with dependable performance, offering both aesthetic appeal and essential functionality.
Know before you buy
The double-walled, vacuum-sealed construction keeps beverages cold for over 9 hours or hot for more than 3 hours.
No, the exterior is condensation-free and features a built-in silicone coaster base to protect your surfaces from moisture and scratches.
Yes, the Medium EZ Slider Lid features a removable slider, allowing you to easily clean the sliding mechanism and the lid itself.
No, this tumbler is not dishwasher safe. We recommend hand washing to maintain the integrity of the stainless steel and vacuum seal.
The EZ Slider Lid is designed for convenience and splash resistance, but it is not considered leak-proof. We recommend keeping the tumbler upright while in transit.
Still have a question?
Ask Hayley anything about this product before you decide.