Ao mail

You're referring to "ao mail"!

Ao mail, also known as "aoi" or "aoi mail", is a type of Japanese mail art that originated in the 1960s. The term "ao" means "blue" in Japanese, and "mail" refers to the postal system.

Ao mail is a form of artistic expression that combines traditional Japanese aesthetics with modern postal communication. It involves creating unique, often intricate, and beautiful designs on envelopes, postcards, and other mail-related materials. The art form emphasizes the importance of the physical act of sending and receiving mail, as well as the emotional connection between the sender and the recipient.

Ao mail artists use a variety of techniques, including painting, drawing, collage, and other forms of visual art, to create their designs. The art form has evolved over the years, incorporating new materials and techniques, such as digital printing and mixed media.

Ao mail has gained popularity worldwide, with many artists and enthusiasts participating in exhibitions, workshops, and online communities. It's a unique and fascinating way to experience the joy of sending and receiving mail, while also appreciating the beauty of Japanese culture.