The cot bed has a three position height adjustable base to suit each stage of development fixed side rails made of solid wood two teething rails to protect delicate teeth and gums of baby as well as your cots top rails it is suitable from birth to approx 6 yrs by converting into an junior bed features bears sketch on bed ends solid beech wood trim converts into a junior bed three position bed base two protective teething rails fixed side rails dimensions 150l x 80 5w x 100h cm