Zak! Harmony Tumbler
Best insulated travel companion for busy commuters on the go.
This is the daily driver for those who value utility over fuss. The wide handle makes it genuinely comfortable to carry, and the removable slider solves the biggest annoyance with spill-proof lids. You sacrifice a bit of sleek minimalism for a design that actually works in your hand and your cup holder.
$14.49
at
Zak Designs
Who it's for
- Commuters needing consistent temperature control and dry hands
- Busy drinkers wanting quick, splash-free access on the go
- Drivers looking for a reliable, cup-holder-friendly travel companion
Who should skip it
- Commuters tossing bags into seats or carrying items horizontally
- Users prioritizing low-maintenance, easy-to-sanitize drinkware
- Clumsy users needing rugged, drop-resistant construction
Performance breakdown
Temperature Retention
Double-wall vacuum insulation keeps drinks hot or cold for extended commutes.
Portability
Integrated handle and cup-holder-friendly base make this a travel essential.
Cleaning Ease
Top-rack dishwasher safe design with a removable slider simplifies maintenance.
Spill Resistance
Slide lid offers splash protection but isn't fully leak-proof for bags.
Build Durability
Stainless steel construction withstands daily drops and rough handling with ease.
Ergonomics
Wide handle provides a secure, comfortable grip for all-day carrying.
Key Specs
Capacity
20 oz
Material
Stainless Steel
Insulation Type
Double-Wall Vacuum Insulated
Dimensions
4.6" width x 8.16" height
BPA free
Dishwasher Safe
Top rack only
Lid Type
Slider Lid
Handle Type
Integrated Handle
Cup Holder Compatible
Yes
Know before you buy
Still have a question?
Ask Metto anything about the Zak! Harmony Tumbler before you decide.
