Mammoth Stainless Steel Tumblers, Pack of 4
Best durable drinkware for commuters and busy families on the go.
Enjoy your favorite drinks at the ideal temperature with this set of four Mammoth Stainless Steel Tumblers in Sky Blue. Each 20-ounce tumbler features double-wall insulation to keep beverages hot or cold for extended periods, while the exterior remains sweat-free. Crafted from durable 18/8 kitchen-grade stainless steel, these tumblers are built to last. Their tapered design ensures a comfortable grip, and the base fits most standard cup holders for on-the-go convenience. A clear lid with a rubber gasket provides a secure fit and visibility, and an attached stopper helps prevent spills. These tumblers are backed by a lifetime warranty.
$70.00
Owner Satisfaction
4.6
/ 5
Category Rank
2214
/ 9820
#2214 in Tumblers
Price vs Category Average
+33%
Above average
Capacity
20.
/ oz each
Who it's for
- Commuters needing drinks to stay hot or cold all day
- Families or offices stocking up on a budget
- Eco-conscious users wanting a durable, long-lasting alternative to plastic
Who should skip it
- Busy individuals who rely on dishwasher convenience
- Drivers with standard cup holders needing a lighter vessel
- Commuters who need a truly leakproof seal for bags
Performance breakdown
Thermal Retention
Double-wall insulation keeps drinks at temperature for extended daily commutes.
Build Durability
Kitchen-grade stainless steel construction ensures long-term resilience against daily wear.
Ergonomic Design
Tapered body shape provides a secure, comfortable grip for most hands.
Portability
Slim base profile fits seamlessly into standard vehicle cup holders.
Maintenance Ease
Hand-wash only requirement limits convenience compared to dishwasher-safe alternatives.
Spill Resistance
Rubber gasket and stopper offer reliable protection against minor accidental splashes.
Key Specs
Capacity
20 oz. each
Dimensions
3.25" dia. x 6.75"H each
Material
Stainless Steel, Plastic, Rubber
Quantity
Pack of 4
Insulation Type
Double Wall
Lid Type
Press-in Lid
Dishwasher Safe
No
Straw Included
No
Features
- Maintains ideal beverage temperature
- Double-wall insulation keeps drinks hot or cold
- Sweat-free exterior design
- Comfortable tapered body for easy handling
- Fits most standard cup holders
- Clear lid for content visibility
- Spill-preventing lid stopper
- Durable stainless steel construction
What customers say
Customers overwhelmingly appreciate the exceptional value offered by this four pack. The primary theme emerging from reviews is the impressive reliability of the insulation. Users confirm these tumblers maintain ice for extended periods, often exceeding expectations for a multipack offering. The stainless steel construction feels durable and substantial, contributing to a high quality perception. While minor comments occasionally mention lid tightness, the consensus confirms this set is a smart, practical investment for daily use, delivering premium performance without the premium price tag.
Know before you buy
No, these tumblers are not dishwasher safe. We recommend hand washing them to preserve the integrity of the stainless steel and the insulation properties.
Yes, the tapered design is specifically engineered to fit most standard cup holders, making them a great choice for commuting.
The lid features a rubber gasket for a secure fit and an attached stopper to help prevent splashes and minor spills. However, please note that the lid is not completely leak-proof, so it should be kept upright when full.
No, the double-wall insulation ensures the exterior remains sweat-free and comfortable to hold, regardless of whether you have a hot or cold beverage inside.
The lifetime warranty covers defects in materials and craftsmanship. If you experience issues related to the construction of your tumblers, you are covered for the life of the product.
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Ask Hayley anything about this product before you decide.
Ready to buy?
$70