*     Keeps dogs busy, happy, and satisfied with a savory beef flavor throughout. *     Made of tough, durable nylon that is clean and safe without any smell or splintering. *     Satisfies their natural instinct to chew and helps promote dental stimulation, which is good for oral health. *     Small is for dogs up to 25 pounds; medium is for dogs up to 35 pounds; and large is for dogs up to 50 pound