Korean Celadon Infuser Cup Set / 2 Set / Double Wall / Hand-crafted Double-walled construction with a special web-shaped outer wall that keeps the cup perfectly cool. Skilled labour and time-intensive effort is required to carve the holes of the unique, web-shaped outer wall. Ring (or Mandala) patterns are scattered on the cup and lid. Great gift item for couple looking for a convenient tea-steeping mug with a special design.