Ambient Lounge® Ottoman Bean Bag – Keystone Grey Curvy in all the right places, the Keystone grey Ottoman is a lovely piece of designer furniture that you will be proud to display in your living space. Its thick and soft fabric makes a tremendous spare seat and floor cushion but is best with matching sofas and loungers. So, match your Keystone grey Evolution Sofa, Studio Lounger, or Conversion Lounger with one or more ottomans now! It’s a coffee table, footrest, and spare seat all in one.