Brew Yahs! 100% All Natural - Peanut Butter Flavored Dog Treats (6 Ounces) By-product of the beer brewing process Treats can be broken to smaller pieces All Natural No added chemicals Made in the USA Keep it simple, using 100% all natural ingredients, leaving funky chemicals out of the mix and only sourcing the highest-quality. Only use ingredients sourcedfrom within the United States. Non of that other stuff from foreign countries. We believe in a sense of community whether thats in your community of Kalamazoo, MI or our own backyard, in Frederick, MD.