Stained porcelain clay, lined with a clear food-safe glaze. Outside is not glazed but sanded smooth to touch. Fired to about 1240 degrees C.
Tumblers photographed are indicative only - each tumbler is made from the same block of nerikomi clay, but due to variation in the clay block and handle placement, each tumbler is unique.
Tumblers are approximately 85mm tall x 80mm diameter
Dishwasher and microwave safe. Do not expose to thermal shock.