What's the deal with the Taylor Swift Eras tour beaded bracelets?

Celebs including Sophie Turner, Sydney Sweeney and Selena Gomez have been wearing and swapping colourful beaded friendship bracelets at Taylor Swift
Celebs including Sophie Turner, Sydney Sweeney and Selena Gomez have been wearing and swapping colourful beaded friendship bracelets at Taylor Swift's Eras tour

Midnight Friendship Bracelet - Fan-made Taylor Swift Eras Tour Jewelry

Jennifer Garner shows off her friendship bracelets at Taylor Swift

Taylor Swift's Eras Tour: Sweetest Friendship Bracelet, 42% OFF

Taylor Swift's Eras Tour: Sweetest Friendship Bracelet, 42% OFF

Good Vibes Bracelet 6mm Bright Unisex April Soderstrom, 40% OFF

Make your own friendship bracelet for Taylor Swift's Eras Tour concerts in Houston

Keith Urban + Nicole Kidman Were Superfans at Taylor Swift's Show

Jennifer Garner shows off her friendship bracelets at Taylor Swift

Taylor Swift's Eras Tour: Sweetest Friendship Bracelet, 42% OFF

Taylor Swift Eras Tour Friendship Beaded Bracelets, Taylor Swift Bracelets, Tradable Bracelets Eras Tour, Gift for Her, Gift for Swiftie

Eras bracelet trading 101 🤓 happy trading! #tstheerastour #theerastou, Friendship Bracelet

Taylor Swift Eras Tour Inspired Bracelets Midnights at Lucia's World Emporium

Taylor Swift, Selena Gomez and more celebs at sporting events

Taylor Swift, Selena Gomez and more celebs at sporting events