SAYAGATA Hakoseko

Tradition and Innovation Held in the Palm of Your Hand

“HAKOSEKO” reinterprets the classic Hako-seko,
a traditional accessory once essential to Japanese women’s attire,
into a refined card case designed for modern life.

The deep, silent luster of the ancient mud-black dye harmonizes centuries of artistry
with the elegance and practicality demanded by today’s cashless world.
It is a creation where timeless craftsmanship meets quiet innovation.

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Features

— Limited Edition: Ancient Mud-Black Dye —

A signature piece from Sumiyoroshi, carrying Japan’s refined traditions into the present day.
This bag is crafted using an authentic ancient mud-dyeing technique — a process so intricate that it can no longer be replicated today.

Its most remarkable feature is the profound shade known as “Fivefold Black.”
By repeatedly dyeing the silk at several times the usual pigment concentration,
the color gains a luminous depth — a black that shifts and breathes with light and movement.
It is not merely black, but a living color that transforms depending on the viewer’s perspective and the surrounding light.

The Sayagata motif honors the sun and symbolizes eternity and unending blessings through its continuous lines.
For centuries, it has represented prosperity, harmony, and connection, reflecting the timeless aesthetics of Japan.

Beyond its role as a card or business card holder,
this piece serves as a refined reinterpretation of the traditional Hako-seko,
perfectly suited for the modern lifestyle —
a small object imbued with quiet strength and cultural grace.

Motif: Sayagata — Symbol of the Sun, Eternity, and Everlasting Blessings

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Specifications

• Carrying Size (Folded in Tri-fold)

  • Size: W 12cm × H 7cm
    Base depth: 2cm (Inner pocket: 0.8cm)

• Unfolded Size

  • Size: W 12cm x H 19.7cm
    
  • 1 inner pocket
    

 

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About Sumiyoroshi Products

• Each piece is individually handcrafted by experienced artisans of traditional Japanese accessories.

• All materials are made from authentic Nishijin silk obi or mud-black dye fabrics from Aichi—treasures of Japan’s textile heritage.

• The fabric’s natural silk sheen creates a luxurious depth that changes with the light.

• Made from pure silk, it is an antistatic, skin-friendly natural material.

• Only high-grade Nishijin fabrics with superior strength and durability are used.

• Every design is limited edition—no re-production of the same fabric or pattern will ever be made once sold out.

• The refined design complements both Japanese and Western attire, adding a quiet grace to any look.

• Each product carries the official Nishijin Certification Label (megane-shaped seal), proof of genuine Kyoto craftsmanship.