The absolute BEST squeeky toys are the Dr. Noy's Material Dog Squeeky toys with replacable squeekers. They come in several sizes - Tiny, Small, Medium and Large. You can find them at PetSmart and many sites online. Here is a link to SitStay.com. I have done business with them in the past and they are a pleasure to work with:
Category - Dr. Noys Toys