This is a fun mt washi tape designed by Japanese textile design brand called SOU SOU known for their beautiful designs inspired by Japanse seasonal beauty of nature.  The brand was established in 2002 by Katsuji Wakisaka (textile designer), Hisanobu Tsujimura (architect) and Takeshi Wakabayashi (producer).

Metallic power was mixed with the paint used for this washi tape, and it shines beautifully as you see in the second picture.  The title "So-su-u" comes from Japanese word 素数 (sosuu) that means prime number.

* Size: 1.5cm x 3m (0.6 inch x 3 yards)
* Made in Japan
* acid/lignin free
* More mt HERE