My two 35 pound Boxer mixes love these bones! I purchased both a straight (leg-type) bone and a knobby (hip) bone and both were a hit. The straight bone has lasted a week, and the knobby bone has lots of chew time left in it. There is a slight odor to these bones, probably due to the dry roasting and a little meat left on it, but it wasn't enough to bother me and it does go away after a day or so. This is a great chew choice for puppies and powerful chewers and I highly recommend.
Our dog is allergic to practically everything. These bones have fit the bill in that she isn't allergic to them and tolerates them very well. The price is right and the packging is convenient.
Didn't last days, but lasted close to an hour. We breed alaskan malamutes, and they TORE into these things! Ate every last drop. The young ones had some difficulties with some parts of the bone that were a little hard and small and they didn't eat them, we picked those up in fear of choking. They DO smell, they ARE messy, so just let them eat it out in the yard. The dogs just loved them. They are coated in meat, and once the bone has been cracked open there is flesh on the inside of the it...once again, the dogs were in absolute pure heaven. There were no upset stomachs, no issues whatsoever afterwards. I will definitely get these again.