The cot bed has a three position height adjustable base to suit each stage of development two teething rails to protect delicate teeth and gums as well as your cots top rails it is suitable from birth to approx 6 yrs by converting into an elegant junior bed features suitable from birth up to approximately 6 years converts into a junior bed three position bed base fixed side cot two protective teething rails requires 70 x 140cm mattress sold separately dimensions 150l x 80 5w x 100