Dimensions of bed: W 215cm x H 160cm x D 46cm when folded and D177cm when unfolded. Dimensions of storage unit: W 215cm x H 58cm x D 46cm. Self-holding feature - stops in any position. Locking system included preventing from opening for that extra safety. Spring mechanism. Duvet holding straps included - no need to make the bed. The carcass is made from solid 22mm laminated board.