The bed base is adjustable to 3 different heights meaning that as the baby gets olders you can drop the height of the base the cot bed converts into a toddler bed it can be used from birth to approx age 5 the cot is tested to bs en 716 in cot mode the cot in toddler bed mode is tested to bs en 8509 the cot bed is made from a combination of lacquered and painted solid new zealand pine and painted board