The flashing bracelets handed out at Taylor Swift’s 1989 World Tour shows have reportedly saved the lives of three women after a car crash.

Elizabeth Dazzio, her sister Caroline and a friend were on their way home from Swift’s show in Baton Rouge, Louisiana last week they were involved in a car crash.

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Ms Dazzio was left unconscious at the wheel while the two other girls were trapped in the back of the wrecked vehicle.

“You could smell the gas and smoke,” Caroline said. “I was just thinking we need to get out of this car.”

Cars kept passing by in the dark and because their phones were out of battery the girls switched on their flashing bracelets from Swift’s concert to wave down help.

3 T-Swift fans are “safe & sound” after car crash, flashing bracelets saved them http://t.co/RALRP8LGrk pic.twitter.com/yilbnCP0Mx

— Producer Peggy (@Producer_Peggy) May 29, 2015

Eventually a passer by stopped and told the girls they did because of the flashing bands.

Ms Dazzio told her story from hospital and is expected to be released soon. Swift caught wind of her merchandise’s life saving abilities and tweeted her delight at the story soon after.  

This is unreal. I’m so happy they’re okay. http://t.co/UnylIwhZv5

— Taylor Swift (@taylorswift13) May 28, 2015