Australian pop-punk quartet 5 Seconds Of Summer will be treating their fans to some new merchandise items soon that they personally designed. 

The heartthrobs took to their collective Twitter page last night and explained that they have created exciting new pieces for their merchandise range and they'll be on sale very soon: "Wanted to let you know that we’ve each designed some new stuff that’s going up on our webstore over the next couple of months..."

The 'She's Kinda Hot' hitmakers also thanked fans for being so enthusiastic about the new songs they released recently on Spotify, including 'Jet Black Heart' and 'Fly Away', and tweeted: "So epic that all the new songs are being listened to. Hope you love them!!!"

Guitarist Michael Clifford confessed that 'Jet Black Heart' is one of his favourite songs released by 5SOS and told his social media followers: "I hope you guys love 'Jet Black Heart'. it's probably the song I'm most proud of us ever releasing."

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