Dogs have a natural instinct to chew and therefore, stuffed toys are a great source of chewing. Stuffed toys are also soft, colorful, and made of many materials that dogs enjoy chewing like cotton, polyester, and plastic. In the wild, dogs chew on logs, sticks, and bones. Chewing is a way to relieve their stress. Dogs also make stuffed toys chew because they can't resist the squeaking sound it makes. Dogs chew or destroy stuffed toys because they are bored or they need to eliminate their energy, which is why they chew these toys. You can also look up dog chew toys on the internet because they are very easy to find.