Ruby Bunk Bed. The Ruby Bunk Bed is available from Sweet Dreams excellent Children's Collection. Made from sustainable rubber wood, the Ruby Bunk Bed is strong and sturdy. It can also easily be split into two separate 3' frames. This bunk bed is available in a choice of two colours, blue and white or pink and white. Please note that the mattresses are not included, however we have a large selection of single mattresses to perfectly suit the Ruby Bunk. And buy this Ruby Bunk Bed Now £279.00.