Play to your dog's natural instinct to chew and engage their instinct of smell and taste with BarkBone? Natural Instincts Original Nylon Dog Chews! Made with artisan nylon, REAL bacon pieces, and natural grain ingredients, each bone is flavor-infused to the core. The classic bone shape is curved for an easier paw grip to keep your dog engaged for hours of play. Helps prevent boredom and keeps your dog physically and mentally stimulated. Available in medium and large. Chews are non-toxic and non-allergenic. Proudly made in the USA!