Sen no Tsutsumi
Meaning Wrapped with line, Sen no Tsutsumi contains two Sen (line) message cards.
Inspired by traditional Japanese paper folding techniques, Sen no Tsusumi is designed to close only by folding without any tape or glue. Overlapped lines and white space enhance the beauty even more.
The time of the sender to write, wrap, and send, and the time of the recipient to open it are both the part of the story.
Each one is folded by hand to create its shape.