Merrick Mini Brush Bones Dental Chews are all-natural dental chews to clean dogs’ teeth and freshen breath, all in a tasty and digestible treat. Compared to other dental chews, Merrick Dental Chews are grain-free and gluten free. They are made in the USA with no ingredients from China. They are available in innovative shapes and textures to combat plaque and tartar and support fresh breath. Made with all-natural ingredients, without sorbic acid or sodium copper chlorophylin.