Redbarn Naturals Odor-Free Bully Sticks are a 100% natural, single-ingrident beef chew sourced from free-range, grass-fed cattle. Weve eliminate the odor through a safe and natural, proproetary process, without the use of additives or harsh chemicals. A grain-free alternative to rawhide chews, Redbarns Odor-Free Bully Sticks will keep your nose happy and your pups tail wagging.