It was a big advance from the old sanitary belts, and a huge leap from sanitary suspenders.
The ad copy:
Remember how simply life used to be?
It still can be.
The tube is gone. Tampons have gone simple. With no bulky tubes to stand between you and tampon freedom. Kotex tampons slip into place naturally with just a gentle insertion guide. (Nothing hard about that.) And then they protect—for hours. True, honest Kotex protection no other tampon can give.
with gentle Insertion Guides (No tubes)
The finest feminine protection comes from Kimberly-Clark