The largest cardboard box was 6.12 m wide, 14.05 m long and 2.75 m high (20 ft 1.2 in × 46 ft 1.2 in × 9 ft 0.3 in) and was created by Chegg.com (USA) at the Rose Bowl in Pasadena, California, USA, on 19 September 2009.

The total area is 236.8 cubic meters (8,362.51 cubic feet) The claimants had to redefine all their initial project days before the attempt, because the record they were going to attempt was broken. The cardboard box was presented before the NCAA American Football match between UCLA and Kansas State.