Bulk Box no label Whole Extra Thick Ears – Pig ears for dogs are sourced from grass fed, free range pigs, and raised without any added hormones or antibiotics, resulting in a healthier and better tasting treat. Processed in a USDA Human Grade Certified and Inspected facility. Each Whole Pig Ear Dog Chews is handpicked and inspected to ensure size, quality and perfect consistency. Naturally odor free, without the use of any preservatives or chemicals.