This warehouse is a one-story brick building with white plastered walls, small windows on the side, and a Japanese-styled tiled roof. Its size is 89.25 square metres: 12.28 metres from east to west, 8.6 metres from north to south, and 7.68 metres in height. The size of the ancillary gunpowder depot is 13.12 square metres. The building is characterised by its arched entrance, underfloor area, and white-coloured masonry plaster at the corners of the building. The doors are covered with copper sheets, and there are four small windows on the sides.