I have give my girls several nylabone but this one is the only one I have keep for them
http://www.petco.com/product/109379/...Supplies_Chews
My girls get this products from this lady
The Chewin' Dog - All Natural Dog Treats
pig ears is the only thing I don't give them from her, she also have trachea wish is Phoebe favor one and they only thing that keep her interested, but for some reason she doesn't have it here on the web, I got her stuff from a aspca event.
Note, I always supervise when they chew anything, and also I don't give them to them for to long either