Babysitter asking parents: NOT AN AD!?

I am going into the babysitting buisness by starting out as a mother's helper. I am certified, so I know I'll put that on the flier, but what else should I put? This is going to go out to the neighbors, so they do already know me. If your a parent, please answer and tell me what you look for on a babysitter/mother's helper's flier. Sorry if this should go in buisness