Walter Knoll Seating Stones designed by UNStudio/Ben van Berkel for Walter Knoll. Beautiful poufs with an outer shell and seat upholstered in blue/grey colour combination Flex fabric. These versatile stools are inspired by nature and provide easy additional seating when needed. They are being sold as a set of 4, or alternatively a pair for $900.  They are in ‘as new’ condition. Recommended retail price $5,000 the set.