







Muji Samashi Banko-yaki Black Yuzamashi - Japanese Water Cooler
INTRODUCTION
Elevate your tea experience with the Muji Samashi Banko-yaki Black Yuzamashi, a handcrafted Japanese water cooler designed for precision and tradition. Crafted with heat-resistant, unglazed black ceramic, the Muji Samashi Yuzamashi offers excellent thermal control and a natural, tactile feel. Its timeless design and ergonomic spout ensure effortless pouring and temperature regulation, while the matte black finish blends seamlessly with both traditional and modern tea sets.
SPECIFICATIONS
SIZE
- 5.9" L x 4.3" W x 2.5" H
MATERIAL
- Ceramic
- Shidei Clay
CAPACITY
- 8.4oz / 248ml
PACKAGING
- 1x Muji Samashi Banko-yaki Black Yuzamashi
ORIGIN
- Japan
SHIPPING & RETURNS
SHIPPING
This product is not eligible for free shipping. Standard shipping rates will apply.
Shipping times vary by destination. Typically, orders are processed within 1-3 business days and can take anywhere from 5 to 15 business days for delivery, depending on your location.
RETURNS
We accept returns within 30 days of receipt. Items must be unused and in their original packaging.
Please refer to our Refund & Return policy in the footer of the page for more details.

Muji Samashi Banko-yaki Black Yuzamashi - Japanese Water Cooler
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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What is a yuzamashi, and why do I need one?
A yuzamashi is a traditional Japanese water cooler used to lower the temperature of boiling water before brewing delicate teas like gyokuro or sencha. Using one helps prevent bitterness and ensures optimal flavor extraction—especially important for premium Japanese teas that require water between 60–80°C (140–176°F).
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Is it safe to pour boiling water directly into it?
Yes. This yuzamashi is crafted from heat-resistant Banko-yaki ceramic, which can safely withstand boiling water. Its thick walls allow water to cool naturally without damaging the vessel.
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Can I use it for other types of tea or beverages?
Absolutely. While designed for Japanese green tea, it can be used to prepare any tea that requires controlled water temperature, including oolong, white tea, or pour-over coffee.
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Is it dishwasher or microwave safe?
We recommend hand-washing only to preserve the natural ceramic finish. It is not microwave safe, as the unglazed clay may retain moisture and heat unevenly.

Banko-yaki Water Coolers
Ideal Temperature Control
Specifically designed to cool boiling water to the perfect temperature (60–80°C) for brewing delicate Japanese teas like gyokuro, sencha, and matcha, ensuring optimal flavor without bitterness.
Natural Heat Retention
The unglazed Banko-yaki clay offers excellent heat retention and slow cooling, enhancing your tea experience while preserving the purity of the water and tea leaves.
Enhance Tradition
Incorporating a yuzamashi into your tea-making process adds mindfulness and authenticity, honoring centuries-old Japanese tea culture and enhancing the sensory experience of every brew.


A Beginner's Guide to Japanese Tea Ceremonies at Home
Japanese tea ceremonies, or chanoyu, are an exquisite and meaningful part of Japanese culture. The ceremony itself is an intricate and beautiful practice that embodies grace, mindfulness, and respect.
While traditionally held in a purpose-built tea room, it’s possible to recreate this timeless tradition at home. If you’re interested in experiencing the serenity and mindfulness of a Japanese tea ceremony without leaving your house, this beginner’s guide will show you how to create your own peaceful tea ritual, step by step.
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Shipping
Please read our policy pages to find out more.
Do you ship internationally?
We offer free shipping worldwide, no minimum purchase required!
Shipping times vary by destination. Typically, orders are processed within 1-3 business days and can take anywhere from 5 to 15 business days for delivery, depending on your location.
Can I track my order?
Absolutely! Once your order is shipped, you will receive a tracking number via email to monitor its progress.
All orders can be tracked via the Order Tracking page or the link in the shipping confirmation email.
What if my order is delayed?
While we strive to deliver your order on time, delays can occur due to customs or other unforeseen circumstances.
If your order is delayed, feel free to contact our customer service for assistance.
What if my order arrives damaged?
If your order arrives damaged, please contact our customer support team as soon as possible. Include the following details to help us resolve the issue quickly:
- Your order number.
- A brief description of the damage.
- Clear photos of the damaged item(s) and the packaging.
Once we receive this information, we’ll work with you to find a solution, whether it’s a replacement, refund, or another resolution. Your satisfaction is our top priority!
What is your return policy?
We accept returns within 30 days of receipt. Items must be unused and in their original packaging.
Please refer to our refund & return policy for more details.