I wash all of Chewys toys every few weeks... all but one have done fine in the washer and dryer.
Try to find things with no plastic parts... Chewys favorite is BoBo... (loofa dogs)
Loofa Dog - 6" Dog Toy - DogToys.com
I wouldnt be too worried about all the hands that have touched the toys between the factory and the store... dogs lick the floor, each others butts, basically they lick everything and anything...If you want to be on the safe side.. you can always just wash it before giving it to her.