Traditional Chinese herbal stew pot 

燉盎

classic use for chicken and herbal medicine
Medium 2 Quart capacity, 6.5" round and 7" tall 
3 pieces set, pot, inner cover and outer cover
traditionally use as double boiler putting herbs and meat in the pot and place pot in water (2" below the lid) and let the boiling water heat transfer and cooks the ingredients
this will have a special effect on the herb medicine outcome