★This bed is "customer assembled furniture"★ For "customer-assembled furniture," we ask that customers unpack, assemble, and install the product themselves. Twin bed, long, wide, with shelf, lighting, and outlet, comes with a hard Japanese bonnell coil mattress, wide K230, long Comes with useful features! The headboard is packed with features, including shelves for storing items, lighting, and power outlets. In addition, you can neatly store away sideboards when you are not using them, so they do not take up extra space. ・Shelf for watches and glasses All the small items you want to keep by your bedside are here. Keep things neat and tidy. ・Convenient power outlet Of course, it is also equipped with a convenient outlet for charging mobile phones, etc. ・Gentle lighting It comes with a light that is handy when you wake up at night or before you go to sleep. -The sideboard provides neat storage! When the beds are joined together, the unused sideboard can be neatly stored away. It also helps prevent the mattress from slipping.