Also appears on labels as: natural rubber (kong proprietary red rubber), natural rubber (kong black extreme formula), natural high-bounce rubber, extra-thick rubber core, 100% natural rubber (carbon-reinforced), rubber
Latex tapped from rubber trees, vulcanized into a solid, resilient material.
Watched ingredients get highlighted on every product panel you open.
General reference, not veterinary advice. Dose, breed, and existing conditions change the answer, so talk to your vet before changing what your pet eats. Think we got this wrong? Tell us and we log it publicly.
Lowest scores first. Its presence here is not what drove those scores.