sierra cup

sierra cup sierra cup sierra cup sierra cup sierra cup



A standard shaped sheracup with a leather handle that is easy to hold and does not get hot.

The leather is removable and can be inserted.

The black color is created using a technique called "black oxidization" to create a unique black color.

Size: 12 cm (mouth diameter) / 4 cm (height)

Weight: approx. 93g

Capacity: 320ml

Material: Stainless steel

Made in Japan

About black oxidation

The surface of stainless steel is covered with a transparent film called an oxide film.

The surface of stainless steel is covered with a transparent film called an oxide film, and black oxidization is a technology that makes this oxide film thicker by 0.1 micron.

The black oxide coloring is a technology that makes the black color appear through the refraction of light.

It is not colored with paint, and the texture and luster of the metal are not lost.

The color changes slightly depending on the angle of view.

In addition, the coating is thicker than that of ordinary stainless steel, making it more resistant to rust.


Due to the nature of the processing, not all finishes are the same, and there may be some color irregularities.

The black oxidized color will slowly fade to a silver color as the product is used and rubbed more frequently.

The black color may slowly fade to a silver color as it is used and rubbed.

Please enjoy the aging process that occurs with use.


The leather used in this product is natural leather.

We do not use scratches that can lead to tears or rips, but we do use scratches and wrinkles in our products as they are characteristic of the material.

In addition, there are individual differences in the color, thickness, and texture of the same leather.

If you have any questions, please feel free to contact us.

There is a slight difference in the size notation.

The color of the actual product may differ from the color on the display depending on your device.



stainless steel
cow leather

【国内】¥11,000以上の購入で送料無料 ※北海道・沖縄など 一部地域を除く

A shipment notification email will be sent automatically when the shipment is made.
You can see the shipping company and tracking number in the email.
Please use the tracking service of each shipping company to check the delivery status of your package.

Learn about shipping costs. About shipping

Related “Journals”




Shipping charges and sales tax will be automatically calculated at checkout.