it is a house they weave to sleep in.
chikee
A chikee is a log cabin type house constructed by the Seminole people in Florida. They were often two floors with sleeping quarters upstairs. They were made of Palmetto thatch over a cypress log frame but are no longer used as housing.
The Seminole tribe lived in a Chikee house which is kinda like a tent
In the first movie, there is no prince. The prince character is filled by a General's son, Captain Li Shang. Mulan is never a princess. In the second movie, Shang becomes a General and Mulan, his wife. In Mulan 2, there is a prince that Mulan agrees to marry, believing Shang dead. His name is Prince Chikee but he is no more than a teenager and doesn't even seem to care about girls, much less Mulan, whom he sees as 'old'.
Several sorts of houses were erected throughout the Eastern Woodlands. The most popular was likely the wigwam, a bark-covered structure and the longhouse, home to several families. Some southeast tribes lived in cold-weather houses of clay applied to an armature of poles, complete with a cone or round roof. The Seminoles of Florida used a chikee, a shelter without walls thatched with the palmetto tree's fan-shaped leaves.