Part of the gently supportive range the quattro guest bed has a seperate bed stored within the base that conviently slides out on a sprung loaded base allowing both beds to be at the same height for use as either two single beds or push together for use as a double the gently supportive range is for those with a preference for a slightly softer feel this softer more flexible sleeping surface offers both comfort and support the gently supportive mattresses contain resilient spring units whic