Trapezoidal Design
What are the benefits of this?
While installing, overlap the tape at 1/4 of the width would be fine.
Due to the trapezoidal cut design, the tape stable on the handlebar, even without back adhesive, it won't slide.
Without Back Adhesive
What are the benefits of this?
Easy to install and convenient to wrap and re-wrap to correct the position.
You may worry it can't stay on. It's no problem if you strength enough to get a tight wrap with no gap.