It means you're not actually supposed to use it. Like those collector Barbie dolls your aunt had and wouldn't let you play with when she babysat.
Actually, I think it means the company that made it does not want to be sued when you accidentally injure yourself in a masurbatory mishap and have to seek medical care on your bleeding genitals.
Oh dear! Haha yes, I've used plenty of those and have not had any bleeding genitals thus far! Well not that I've noticed anyway...
as defined in Webster On-Line #3 -- a small manufactured article intended mainly for personal or household adornment -- usually used in plural
