Panama 3′ Bunk Bed. Safety Rails On Top Bunk. It can be split into 2 beds if required. MATTRESS IS NOT INCLUDED. Height Below Siderail: 29cm. Height Of Bed Base: 34.5cm. Height Below Bed Base: 32.5cm. Height Between Bed Bases: 81.5cm. Post Thickness: 6cm x 4cm. Slat Size: 7cm x 1.7cm. 1 x Panama 3′ Bunk Bed.