Kyjen Mini Invincibles - Dog are the answer when your dog loses interest after a toy stops squeaking.
The Invincibles have a heavy duty squeaker that keeps going even after its been punctured. The double layer seams also help to keep your dog from ripping this toy apart. This size is perfect for small dogs.
Kyjen Mini Invincibles by boss terrier from Daly City, CA12/03/2013
My dog tore through this in less than an hour. The only good thing is I didn't have to clean up a lot of stuffing. If your dog doesn't tear through stuffed animals, then this is for you. Otherwise, don't waste your money.
mini invincibles by adcatcherinwa from Spokane WA10/05/2013
My dog loved it so much it was chewed in a matter of hours. I would recommend their hard boiled softies if your dog is a strong chewer. My 11 pound terrier mix had this to shreds and the squeaker killed in about two hours. He really did love the toy though.
Easily destroyedables by Wishbone Farm Schnauzers from Monroe, NC03/24/2014
This toy looks like its 6 years old instead of a couple of weeks old. One of my younger girls got ahold of it and shredded it.