Guinness World Records has officially recognized the bright pink bra, which hangs from the ITV Southbank building and was unveiled on Oct. 28, as the world's largest.
The bra took four weeks to stitch up, and is made from about four football fields worth of lightweight spinnaker nylon. The fabric weighs about 165 pounds (75 kg), and with the metal fasteners it comes to 198 pounds (90 kg).
And, because you're surely wondering, it measures 27 meters (88.5 feet) under the bust and 31 meters (101.7 feet) around the bust. Technically, it's a 1222B, but if reduced to human proportions, it would be a size 34B.
The bra was part of Britain's Breast Cancer Campaign's annual "Wear It Pink" fundraiser day. Last year's event raised about $4 million to help fund cutting-edge breast cancer research.