Nylabone Dura-Chew Bone Bacon Flavor Regular size 4.5 in.Nylabone Dura-Chew Bone Bacon Flavor Regular size 4.5 in. Nylabone Dura-chews are designed to satisfy your dog's natural need to chew. Nylabone Dura-chews are offered in a tasty bacon flavor and are made of durable materials. Nylabone has been The Leader in Responsible Animal care for Over 50 Years. You can count on Nylabone products to provide quality well being for your dog, no matter what sized-dog you have. Proudly made in the USA. Regular Size. Ideal for dogs up to 25 pounds. Be sure to add me to your favorites list!