Panty liner: Designed to absorb daily vaginal discharge, light menstrual flow, "spotting", slightÂ urinary incontinence, or as a backup for tampon orÂ menstrual cupÂ use. Ultra-thin: A very compact (thin) pad, which may be as absorbent as a Regular or Maxi/Super pad but with less bulk. Regular: A middle range absorbency pad. Maxi/Super: A larger absorbency pad, useful for the start of theÂ menstrual cycleÂ when menstruation is often heaviest. Overnight: A longer pad to allow for more protection while the wearer is lying down, with an absorbency suitable for overnight use.