The Under Cover series replicates manhole covers from around the world into functional art in the form of coasters, trivets and magnets. Each illustration is initially hand-drawn for precision and then permanently etched into cork. The trivets are .375" thick and 7.25" in diameter with rounded edges. The engraving method has incredible detail and tactility. Fabricated from sustainable Portuguese cork. Choose between Stockholm, Copenhagen, Norway, Helsinki or Reykjavik.