wadiz EDITION
Refreshingly cold as if just take out of the fridge lasting for 36 hours.
A tumbler with refrigerator-level performance,
for just around 20,000 won.
Locks in the cold!
Completely leak-proof,
even when shaken.
Morning coffee stays refreshingly cold until the end of the day,
Maintains temperature
for up to 36 hours.
with zero condensation.
A hygienic and convenient
pop-up straw.
Premium ceramic coating
that even blocks subtle metallic taste.
Any drink is OK!
Completely eliminates odors and stains.
If it keeps drinks cold, it’s usually heavy;
if it looks good, it tends to leak.
Insulation, design, or sealing performance.
Do not compromise on anything.
Because it’s different
when it’s made by Wadiz Edition.
Lightweight yet spacious — 887ml capacity,
only 450g in weight.
110 mllion KRW
funded in total
We broke the misconception that all tumblers are the same and proved it with quality.
2,368% funded — chosen by 3,093 backers.
A choice no one regretted, as shown in the satisfied reviews.
This beloved tumbler received so much love.
Now it has evolved one step further
as the Wadiz Edition.
We’ve solved every one of these common tumbler problems.
Experience the next-level tumbler, upgraded with Wadiz Edition quality.
A newly launched ceramic-coated tumbler, born from the collaboration between Mainu and Wadiz.
Up to 36 hours
of powerful thermal performance.
Keeps drinks hot for 10 hours and cold for 36, optimized by premium ceramic coating.
* The 36-hour cold retention was verified by filling the tumbler with ice and 4°C water and measuring actual results.
Verified insulation performance!
Triple-layer insulation design.
The insulation effect is maximized by adding ceramic coating to the existing triple insulation structure.
No worries about condensation or heat transfer.
Whether it’s a cold drink or a hot one, the exterior stays safe to touch.
You’ll never have to deal with annoying condensation droplets again.
100%
leak-proof design.
Even if you flip it over or shake it in your bag, not a single drop leaks.
Dual drinking options
with a pop-up straw.
The 2-in-1 lid allows you to drink how you like, and the pop-up straw makes storage and portability effortless.
1. Insert the straw with the tip facing downward.
2. Press the straw down while closing the lid.
3. To drink, just open the lid.
Exclusive to Wadiz Edition: premium ceramic coating.
The original Mainu tumbler now features a premium ceramic coating that blocks metallic taste, prevents staining, and is easy to clean.
Water from a tumbler often has a metallic aftertaste
In fact, many people are used to the odd metallic flavor or heavy metal scent that touches their lips when using a tumbler.
As a result, they overlook the discomfort and simply carry on.
Ceramic coating blocks the metallic scent of stainless steel and keeps the original flavor of the drink clean and pure.
Especially if you often drink coffee or tea, where aroma is important, you’ll really notice the difference in every sip.
Plus, ceramic is a safe alternative to plastic interiors, with no environmental or hygiene concerns.
Always like new, spotlessly clean.
Previous drink odors and residue are completely removed with every wash.
Ready to use immediately,
no need for abrasive washing.
If you dislike the metallic taste or worry about plastic safety Ceramic is the answer
Even a single sip of water feels different, right down to how it touches your lips.
Durable powder coating makes it dishwasher safe.
A wide mouth allows easy access for hand washing
Detachable components ensure thorough and hygienic cleaning.
Easily washes away oil films and stains
Generous 887ml capacity
even fits Trenta size
drinks. Large enough for most café takeout beverages
Lightweight at just 450g,
easy to carry.
Light enough to carry by hand or keep in your bag without burden.
Comfortable and stable grip
Designed to fit smaller hands, offering a secure and pleasant hold.
Convenient for in-car use
with cup holder compatibility.
The base is tapered to fit nearly all vehicle cup holders.
Made with FDA-approved,
safe materials
Every part of the tumbler is made with safe, certified materials.
Made with hygienic and safe STS 304 stainless steel.
From the inner wall to the rim, it’s fully lined with stainless steel.
Constructed with BPA-free materials, free from endocrine disruptors
Uses certified safe materials approved by the U.S. FDA and Germany’s LFGB.
This product has passed food safety inspections by the Korean Ministry of Food and Drug Safety in accordance.
