BUY BRITISH - This product is manufactured by Strictly Beds & Bunks Ltd in ENGLAND Only using finest Scandinavian SOLID NATURAL PINE, very strong. Sourced from sustained forests. Environmentally friendly, can be recycled. Range Name PLUTO High Heavy Duty Bunk Bed . This is a heavy duty product designed for adults, each base has been tested to take a weight of 17 stone ( 108 kilos). The base slats are extra wide and made of solid pine, for added strength this bunk has a base slat centre rail support system. The ladder has extra thick flat “easy on the feet” ladder rungs and can go to the left or right of the bed. The product is sold for easy home assembly. This model does not include a mattress, the bed accepts a mattress size 90cm by 190cm. If you want the bed with mattresses then type in the following codes into Amazon search B00ZUKURJE, B00O9048AA or B00ZULQOH2 Dimensions: 3ft Standard Single W98cm L202cm H155cm- Clearance between bunks 108cm, clearance under bunk 3cm.