This cot follows the different stages of your baby's growth thanks to its 3 assembly positions: cot, desk and toy chest. Structure in pinewood, MDF and Melamine. 1 height position of the frame. External dimensions of the crib (HxWxL): 77 X 53 X 88cm. Mattress dimensions (HxWxL): 5.5x49x78 cm. Approved according to the European standard EN 1130:2019.