this paper coaster is made of absorbent paper ,more material: Cardboard, pvc, EVA, cork, MDF+cork, all with absorbed offset.
Special function: When the coasters come into contact with water, beer, alcohol, juice etc., it can absorbing the all liquids, and it can be used recycle.
Size: Anysize by your own design
Placed under a bottle, pitcher, or drinking glass to protect a table top or other surface beneath.
The characteristics of MDF is very firm, strong and tough, it's not easy going to bend. So suit to be the upscale gift, home articles etc