Mary Square So Fly Stainless To-Go Tumbler
Best high-capacity tumbler for commuters needing reliable, leakproof hydration on the go.
Elevate your daily hydration with the Mary Square So Fly Stainless To-Go Tumbler. This 30 oz. tumbler is crafted for life on the move, keeping your drinks perfectly hot or cold for hours thanks to its triple-walled, vacuum-insulated, copper-lined stainless steel construction. Designed for convenience, it features an integrated handle for easy carrying and a secure, leakproof lid. The sweat-free exterior and anti-slip base add to its practicality, making it an ideal companion for work, travel, or home.
$40.00
Owner Satisfaction
4.5
/ 5
Category Rank
4315
/ 9217
#4315 in Tumblers
Price vs Category Average
-24%
Below average
Capacity
30.
/ oz
Who it's for
- Busy travelers needing a durable, cup-holder-friendly vessel
- Commuters needing drinks to stay hot or cold all day
- Fashion-conscious users wanting a stylish, standout accessory
Who should skip it
- Budget-focused shoppers prioritizing function over brand aesthetics
- People preferring the convenience of dishwasher-safe drinkware
- Commuters carrying tumblers loosely inside a bag
Performance breakdown
Temperature Retention
Triple-walled insulation keeps beverages icy or steaming for extended daily commutes.
Portability
Integrated handle makes carrying this large capacity vessel effortless and secure.
Leak Resistance
Locking lid mechanism provides reliable protection against spills in your bag.
Build Durability
Shatterproof stainless steel construction withstands the rigors of daily travel use.
Surface Stability
Anti-slip silicone base prevents accidental tipping on slick office desks.
Vehicle Compatibility
Large footprint prevents this tumbler from fitting into standard cup holders.
Key Specs
Capacity
30 oz.
Construction
Triple Walled, copper lined, vacuum insulated
Temperature Retention
24 Hours Cold - 12 Hours Hot
Material
Stainless Steel
Lid Type
Press-in Lid
Lid Features
Shatterproof, leakproof, sealed locking lid
Base Feature
Anti-slip silicone base
Finish
Sweat-free finish
Features
- Maintains temperature for 24 hours cold or 12 hours hot
- Integrated handle for easy portability
- Secure, sealed locking lid prevents leaks
- Shatterproof design enhances durability
- Anti-slip silicone base ensures stability
- Sweat-free exterior prevents condensation buildup
- Triple-walled, vacuum-insulated technology
- 30 oz. capacity for ample hydration
What customers say
The Mary Square tumbler earns high praise for successfully blending standout design with dependable performance. Consumers love the vibrant "So Fly" pattern, noting it makes the tumbler a unique accessory. Quality is a key highlight; the stainless steel construction reliably maintains cold temperatures for hours, ensuring excellent functionality for daily hydration. This combination of fashionable style and consistent insulation delivers strong value for users seeking a dependable and attractive drinkware solution.
Know before you buy
Thanks to the triple-walled, copper-lined vacuum insulation, this tumbler keeps drinks cold for up to 24 hours or hot for up to 12 hours.
No, this tumbler is not dishwasher safe. We recommend hand washing to preserve the integrity of the vacuum seal and the exterior finish.
Due to its 30 oz. capacity and integrated handle design, this tumbler is not compatible with standard vehicle cup holders.
Yes, the tumbler features a secure, sealed locking lid designed to prevent leaks and spills while you are on the move.
No, the tumbler features a sweat-free finish that prevents condensation from building up on the outside, ensuring a secure grip at all times.
No, a straw is not included with this model. The lid is designed for direct sipping.
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$40