Want to check this out for yourself? Here is the Amazon product link:
http://www.amazon.com/Rawhide-Totally-Natural-Chewers-Aggressive/dp/B01AMLX3B4/ref=sr_1_337?s=pet-supplies&ie=UTF8&qid=1462134815&sr=1-337&keywords=dog+bones
*I received this product at a heavily reduced price in exchange for my honest and unbiased review*