Featuring a bracket under it, the trundle is easy to stand up as a bed and when not in use. Made of pinewood and high-quality MDF, the bed provides great support. Featuring the adjustable trundle, this bed provides multiple functions. Coming with a headboard that is of great stability, you can lean on it when you seat on the bed. Assembly required. Description: Material: Pine wood+MDF Size: Full Function: Platform bed Decoration:   Adjustable trundle Numbers of package:   2 Spring box:    No need Assembly required:      Yes        Dimensions: Overall Product Dimension(with trundle out): 78.5''L*95.5''W*39.5''H Bed: 78''x 78.5'' Trundle:  40.75''x 75.5'' Total height:  39.5'' Overall Product Weight:      103.5lb Bed weight capability:  250lb Trundle weight capability:   175lb Trundle recommended mattress thickness:      6'' Bed recommended mattress thickness:     8-10''