We’ve tried lots of yak bars that are gone in less than an hour. I gave this one to my dog for 4 x 30 minute chew sessions over a week and there was still quite a big chunk left at the end for me to pop into the microwave. This is possibly because they are made from Yak milk the traditional way, rather than mixing with cows milk like so many others… Whatever the reason, it felt good value so I’ll be buying more!