The mattress is mainly isolated, which increases the softness of the bed. Always use a brown mattress. Generally, like latex mattresses and memory cotton mattresses, there is no need to add mattresses.
The main function of sheets can be understood as convenience and easy cleaning. Some mattresses and mattresses are made of materials that are not suitable for personal use, and it is more laborious to clean them. It's much more convenient to have sheets.
Quilts are mainly used to keep out the cold. Mattresses and mattresses alone can't keep warm. The quilt can wrap the body and keep warm better!