Nobuaki Sato 
On September 17, 2026, Yanko Design published a feature on the Lei card diffuser, following its coverage of the Lei non electric aroma diffuser earlier that month.
The article examines how the diffuser releases scent without electricity or heat, using a washi paper card, and highlights its use of aluminum, double-layered glass, and washi.
Read the article on Yanko Design
Lei card diffuser
Experience it in Tokyo
The Lei card diffuser is also available at the Lei In Praise of Shadows Flagship Store in Yoyogi-Uehara, Tokyo.
Lei In Praise of Shadows Flagship Store
UEHARA TERRACE 1F
1-30-12 Uehara, Shibuya-ku, Tokyo
12:00–19:00
No reservation required
For the latest store schedule, please see Store Hours.