When the trundle is pulled apart, this daybed can be expanded from twin size to King size; the twin size is suitable for children or daily use, and when guests arrive, King size is the best choice; there are 2 drawers on both sides under the bed, and the bottom wheel design makes it easy for you to pull out and push in, helping keep the room tidy; the daybed features an attractive upholstery that adds a touch of elegance to any room decoration, and its comfortable upholstered armrests and backrest ensure ultimate comfort without sacrificing style; the wood slats support the mattresses to prevent sliding and extend their service life, so no box spring is required; all parts included in the package are clearly indicated, and with a step-by-step installation manual and pre-drilled holes, you can easily assemble this product on your own, manual installation is recommended, mattress is not included.