Heartstopper is a romantic novel by Alice Oseman. This is a gorgeous neoprene wristlet set in purple marble, adorned with all purple accessories and a sanitizer and lip balm holder.
 
This set comes with three safety accessories and the standard pom pom:
Personal Alarm with LED light
Kitty Knuckles
Kubotan Stick
Additional add-ons such as seat belt cutter, whistle, hand sanitizer holders and chapstick holders are available online under 'Accessories'.