Tumbler - Under The Sea
Best insulated tumbler for commuters needing all-day hydration.
Dive into refreshment with the Swig 32oz Under The Sea Tumbler, featuring a vibrant hydrangea and mint design. This fan-favorite tumbler boasts a slim profile, ensuring it fits comfortably in most standard cup holders while offering increased capacity for fewer refills. Its triple insulation technology keeps drinks cold for over 24 hours. Constructed from durable stainless steel, this condensation-free vessel is designed for everyday use, complete with a stable base and a sliding lid for easy access.
$42.95
Owner Satisfaction
4.6
/ 5
Category Rank
2165
/ 9348
#2165 in Tumblers
Price vs Category Average
-19%
Below average
Material
5304188
/ mm -/ stainless steel
Who it's for
- Commuters needing all-day temperature control for their beverages
- Trendsetters looking for eye-catching, unique drinkware accessories
- Busy users wanting a durable, spill-proof daily companion
Who should skip it
- Budget-conscious shoppers seeking affordable everyday drinkware
- Convenience-seekers who rely on dishwasher cleaning
- Minimalists preferring understated or professional office aesthetics
Performance breakdown
Thermal Retention
Triple insulation keeps beverages icy for over twenty-four hours.
Ergonomic Design
Slim profile ensures a comfortable grip and universal cup holder compatibility.
Build Durability
High-grade stainless steel construction withstands the rigors of daily use.
Surface Integrity
Advanced vacuum sealing prevents exterior condensation and messy water rings.
Lid Functionality
Sliding mechanism offers convenient access but lacks a leak-proof seal.
Maintenance Ease
Dishwasher safe design simplifies cleanup despite recommended handwashing for longevity.
Key Specs
Material
5mm 304-18/8 stainless steel
Capacity
32oz
Insulation
Triple insulation technology (double-walled, vacuum-sealed, copper-plated)
Height
8.75 inches
Base Diameter
2.8 inches
Weight
1.0lb (empty)
Dishwasher safe (handwashing recommended)
Lid Type
Slider Lid
Features
- Keeps drinks cold over 24 hours
- Condensation-free exterior
- Fits most standard cup holders
- Durable stainless steel construction
- Triple insulation technology
- Includes X-Large lid with slider
- Stable base for secure placement
What customers say
Customer enthusiasm for the Swig 'Under The Sea' tumbler centers on its exceptional thermal performance and striking design. Reviewers consistently praise the vibrant, oceanic aesthetic, noting it looks even better in person and makes an excellent gift. Functionally, the triple insulation is highly effective, keeping drinks cold for many hours, confirming its reliability for daily use. The stainless steel build feels robust and durable. While the premium price is noted, most users feel the combination of top-tier insulation and unique, eye-catching design justifies the investment, making this a highly recommended and beloved accessory.
Know before you buy
Yes. Despite its large 32oz capacity, the tumbler features a slim profile with a 2.8-inch base diameter designed to fit most standard vehicle cup holders.
Thanks to its triple insulation technology—which includes double-walled, vacuum-sealed, and copper-plated construction—this tumbler keeps beverages cold for over 24 hours.
No, the included sliding lid is designed for easy access and is not leak-proof. You should keep the tumbler upright to prevent spills.
While the tumbler is technically dishwasher safe, we recommend handwashing it to preserve the vibrancy of the Under The Sea design and ensure the longevity of the stainless steel finish.
No, the vacuum-sealed insulation prevents condensation from forming on the outside, so your hands and surfaces will stay dry.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$43