Versatile in design, the Portland bunk bed has separable bunks that can be used as two singles beds. Constructed from pine and MDF the Portland Bunk Bed features solid slatted bases on both bunks which provides a firmer support and allow air to circulate beneath the mattresses. The maximum mattress height for the top bunk is 160mm. The maximum weight load for each frame is 85kg. The Portland bunk bed is suitable for children only. Note: It is advised, the top bunk are not suitable for children under 6 years old. The ladder on this bed can only be positioned as shown. Birlea beds are only suitable for a UK standard size mattress.