The nautilus heavy duty contract mattress utilises a number of features to provide a mattress that not only matches regulatory standards but also offers up a restful nightrsquos sleepits 125 gauge spring unit allows for a firm sleeping surface and its nautilus cover is breathable water resistant and fire retardant the steel side supports makes this mattress ideal for every day use in university halls of residence hotels and hostels alike dimensionssmall single w 75cm x l 190cmsingle