Cinnamomum cassia elongated leaves that are long and have a decidedly reddish colour when young. Chinese cassia is a close relative to Ceylon cinnamon ("C. verum"), Saigon cinnamon ("C. loureiroi"), also known as "Vietnamese cinnamon", Indonesian cinnamon ("C. burmannii"), also called "korintje", and Malabar cinnamon ("C. citriodorum") from Sri Lanka. In all five species, the dried bark is used as a spice. Chinese cassia's flavour is less delicate than that of Ceylon cinnamon. Its bark is thicker, more difficult to crush, and has a rougher texture than that of Ceylon cinnamon. Most of the spice sold as cinnamon in the United States,
SPICE Arena to the public in 2016. In 2017, the SPICE Convention & Exhibition Centre, which has an internal capacity of , was launched. Aside from these facilities, SPICE Canopy, the retail component of the project, was also completed in 2015. A four-star hotel situated adjacent to these facilities is currently under construction. The hotel is scheduled for completion by 2019. The SPICE Arena, with an internal space of , can accommodate 10,000 guests in a terrace-style seating arrangement, or 180 exhibition booths. The arena's capacity is further boosted by the Concourse at Level 3, which can sit a further 250 booths.