Kōju Wooden sake cup

No, and here’s why.
Kōju, like all finely handcrafted wooden cups, is made from natural materials that respond to heat and moisture.
Microwaves or dishwashers can cause warping, cracks, or damage to the finish.
For best results, wash gently by hand and dry promptly. A little mindful care will keep it beautiful for years to come.

Yes, it is.
Kōju is made from Japanese magnolia and sealed with a food-safe polyurethane coating.
This discreet finish complies with Japanese food safety standards, preserving both the natural beauty of the wood and your peace of mind. Whether you're sipping sake, whiskey, or another drink, you can enjoy it with confidence.

Not at all.
Kōju may have started as a traditional guinomi cup, but it’s really all about your personal taste. Whether you’re sipping sake, whiskey, liqueurs, or even herbal tea, this little wooden cup is made to make the moment feel special, simple, stylish, and totally versatile.

Yes, and that’s part of its quiet charm.
Over time, your wooden cup may develop a deeper hue, especially if you enjoy it with darker drinks like coffee, whiskey, or Japanese sake.
These shifts reflect the natural life of wood and become a gentle record of your shared moments.
It's aging, not wearing out. It's becoming yours.

Each Kōju is handcrafted by Kaji, a trusted artisan partner of Tsukushi, using carefully selected type of Japanese magnolia tree.
The result isn’t just a wooden cup, but a singular piece of quiet refinement.
With its unique grain, gentle form, and natural warmth, Kōju reflects the kind of thoughtful design that speaks to those who appreciate beauty with meaning.

Absolutely, Kōju is crafted to become a natural part of your day-to-day life.
Its lightweight feel, its smooth finish make it a pleasure to hold, while its the subtle elegance turns ordinary sips into something unique.
Whether you're winding down with sake or enjoying it as bourbon cup in the evening, Kōju brings presence to even the simplest moments.

Yes, and beautifully so.
While Kōju draws from the Japanese tradition of wooden sake cups, its clean lines and soft grain make it equally at home in contemporary or Western interiors.
Whether used for sake or as a refined whisky cup, it adds warmth, elegance, and quiet character to any table, East or West.

Absolutely, it really would.
Kōju makes a thoughtful and memorable gift. Each piece is handcrafted with care, great for anyone who loves design, tradition, or just taking things slow.
Want to make it more personal? Try gifting a set of two. Whether they’re used for sake, as liquor cups, or even as cool little coffee cups, these Japanese sake cups are something special you won’t find anywhere else.

Yes, sustainability is at the heart of Kōju.
Each cup is handcrafted in small batches by the artisans at Kaji, using wood from the Japanese magnolia tree. This careful sourcing respects nature and avoids waste, in line with traditional practices.
At Tsukushi, we believe that beauty and responsibility should always go hand in hand.

In Japan, wood has long been favored for soups and warm drinks due to its gentle insulating properties.
Unlike ceramic or metal, it retains heat without becoming too hot to hold.
A wooden cup like Kōju is perfect not only for tea, coffee, or hot sake, but also ideal for chilled drinks and liquors.
It brings a quiet texture to your moments, echoing the forest’s stillness and the grace of slow living.