Live Pawsitively Pig Ear chews are not greasy and are all natural NEVER BLEACHED. You can be assured that no chemicals or bi-products are used during our unique roasting process. Unlike others we do not smoke or use liquid smoke to flavor our ears. They are 100% natural. Made in the USA. Benefits of Pig Ears for Dogs: Helps with their dental hygiene to remove plaque and food residue. Dogs find the taste simply delicious! They are easy to chew for small, delicate chewers and senior dogs 100% Natural no added chemicals or preservatives. Made in the USA