Atlantis Ottoman with CushionAll Weather Wicker Outdoor Ottoman for Patio & Deck The Atlantis Ottoman is the most moved piece in the collection: a footrest in front of a lounge chair one minute, an extra seat for an overflow guest the next, and a chaise extension off the end of a sectional after that. At 30 inches square it holds a cushion the size of a seat, so it pulls its weight as real seating rather than a token footstool. Tuck it under a coffee table to clear a walkway,