Dimensions of bed: W215cm x H109cm x D46cm when folded and D127cm when unfolded. Dimensions of storage unit: W 215cm x H 108cm 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.