The best chew toy we bought - buying another now
Our corgi puppy loves this and chews on it whether we put treats/PB inside or not. She can gnaw on it for hours and never get bored. She's had it for a couple of months and only recently have we started to see bits that are starting to come off so it held up VERY well (vs other toys that have lasted barely minutes with her). She's almost 6 months now and has all of her adult teeth, but this was a dog-send (see what I did there) when she was going through teething the last couple of months.