According to Official Guinness Records,
The largest bean bag is 147.9 m³ (5,223 ft 67.7 in³) and was created by Comfort Research (USA) in Grand Rapids, Michigan, USA, on 20 September 2017.The bean bag was installed on the roof of a building in the center of Grand Rapids as an entry into the 2017 ArtPrize international art contest. The bean bag weighs more than 1,814 kg (4,000 lb).
For a complete list of 2017 records, please visit 2017 Guinness Records in United States.