Moulded yellow ink cake in the shape of a lidded bottle with waisted body and blue and gilt painted details, decorated with a band of floral motifs below the waist. Raised inscriptions of the maker's name on reverse: 'Lueyuan zhuren mo', 'Ink of master of Lueyuan'. The production date is inscribed on the side: Made in the 3rd year of the Jiaqing period, equivalent to 1798.
Coloured ink cake was ground with water on an ink stone to produce watercolour for painting.