The best mattress is that everyone can relax and have a fine sleep. Mattress can fit your body very well, relieve the pressure of every part of your body, and let you have a relaxed sleep. Can make you refreshed and full of vitality the next day. On the packaging, the mattress is in a compressed state and packed in a box. Packaging of this size is easy to handle, so you don't have to worry about narrow passages at all. Just unpack the package in the room and wait 72 hours for the mattress to expand to its original size.