Besides coasters, there are many! I found a product using "diatomaceous earth" at the 100-yen shop "Can Do".
Diatomaceous earth is a fossilized deposit of diatom shells (phytoplankton, algae, etc.). It has fine holes on the surface and has excellent moisture absorption and desorption properties, so it is used for coasters and bath mats that want to keep it dry.
In addition to the standard coasters, we also have a lineup of soap holders and washbasin holders for CAN DO diatomaceous earth goods. If you put soap or a cup after using it, it will absorb water droplets smoothly. This will prevent you from having to worry about the soap melting while you are using it, or the water around it becoming sticky.
In addition to the standard coaster
Soap holder and washbasin cup holder
Place wet soap to catch water droplets
Of course, the condensation that drips from the cup
Each of the above products costs 108 yen (tax included). Diatomaceous earth goods is the addition to "
Francfranc (franc franc) " and "
3COINS (Three Coins) has been deployed in such". There are various designs, so why not check it out?