Now bigger and better than ever! There's nothing better than a Gnarlie. Our Gnarlies are 100% USDA beef back strap that's simply dehydrated into an amazing, long-lasting, tasty chew treat. Plus you will enjoy that they are odor-free! These single ingredient chews are an excellent source of collagen protein and glucosamine. They support healthy teeth, joints, gut and coat. (For smaller Gnarlies check out our bulk options.) Certified Human Grade / Single Ingredient / USA sourced Grain and gluten-free. No odor. 2 per pack. Ingredients: 100% USDA beef back strap. Crude protein: 85.0% min. Crude fat: 5.0% min. Crude fiber: 1.2% max. Moisture: 12.0% max. 52 cal / .5 oz.