We sell 5 Seconds of Summer Necklaces in 5 Seconds of Summer Shop. Everyday, we’re looking for a new way to show our love and appreciation for the people in our lives. One way is with a 5 Seconds of Summer Necklace! These necklaces are super cute and can be customized with whatever you want them to say. Add your friend’s name, a quote you like, or even the number of kids you have!