Turn a bedroom or guest room into a flexible lounging and sleeping space with this metal daybed and pull-out trundle. Secured metal slats and plastic buckles help reduce slat movement and noise. The trundle rolls on four casters, including two locking wheels. Fits two standard twin mattresses, each no thicker than 8 inches. Mattresses are not included; no box spring or foundation is needed. Ships in one box. Two-person assembly is recommended.