Earth Animal No Hide Salmon Dog Chew. A yummy chew that your pup will love! Made in a USDA inspected human food facility with Wild Caught Salmon and free of chemicals bleaches formaldehydes or additives these chews will be your dog's favorite in no time. They're 100% digestible and promote teeth and gum health. We suggest that you supervise while your dog enjoys any chew treat. Sizing: 4 in. | For medium sized dogs 15-45 lbs. 7 in. | For large sized dogs 45-75 lbs.