3 tier bunk bed. HEAVY DUTY solid pine bunk beds. The top bunk has strong centre rails for added support. Manufactured using sustained, solid scandanavian pine wood. The siderails are strengthend to take additional weight. Large Open Storage Area Beneath this Bunkbed. Space: W 90cm H77cm L190cm. The base consists of solid timber slats. The ladder steps are flat, these are easier on the feet. This bed is manufactured to British Standard BS EN 747-1&2:2012 + A1:2015. External Dimensions: W98cm L202cm H198cm. The user sleeps inside the bed so deduct approx 25cm off total height for sleeping height. Clearance heights (excluding mats). Middle bunk – 75cm. Bed Accepts a Mattress Size: 90cm by 190cm. Maxium Depth of mattress: 20cm.