Wemo Band Type Memo - White
"Wearable memo" is a memo that can be worn around the wrist, based on the concept of "anytime/anywhere, write/remember.
The material used is silicon with a unique coating, so it can be written on with an oil-based ballpoint pen and erased with an eraser or your finger. The memo can be written with an oil-based ballpoint pen, erased with an eraser or your finger, and used over and over again.
Since it does not disappear even when wet, it is possible to wash hands or work underwater while wearing it.