★This bed is "customer assembled furniture"★ For "customer-assembled furniture," we ask that customers unpack, assemble, and install the product themselves. Semi-double bed with storage, excellent ventilation, shelf, outlet, thin standard bonnell coil mattress included You can also use a futon, so it's always clean. Futons can be easily hung out to dry, so you can sleep in a fluffy, clean state. If you combine it with a washable futon, it will be even more comfortable. Of course, you cannot hang out the mattress, but it will be cleaner than a regular bed that is placed directly on the floor.