Water wooden coaster

White water heart - white water is clear water; photo is right, meaning that the human heart is as pure as clear water. This product hopes to use water as a mind, and hopes to present the sincere blessings in front of her/his eyes with water and wood as the medium. When water is added to the surface of the product, hidden messages will appear. When the product begins to dry, the message will disappear. https://youtu.be/Ep_Jge5ohcw *Note: The water wood is made of natural wood. After the product is wet, it should be completely air-dried and stored in a dry and cool place to prevent the water from cracking or molding due to moisture. The pattern appears to be best for 6 months, and the effect will slowly diminish. Origin / manufacturing methods HK