Unlike other tampons the Tampax Pearl tampon expands widthwise so that it adapts to the shape of your body and helps prevent leaks from happening. Tampax Pearl also has a unique LeakGuard braid that gathers fluid and sends it back to the core of the tampon, giving you that extra back-up protection needed while you're out having fun! It is 5x smoother than Tampax cardboard for our smoothest and most comfortable tampon insertion and has a unique Anti-Slip grip that helps you hold and position the tampon in the right place. Please always read the label before use.Always read instructions before use.