Extra Strong Black KONG - Specially Developed for the Stubbornest Chewers

✔ Ultra tough and durable - Designed for the most stubborn chewers with the extremely strong black KONG rubber.

✔ Available in five sizes - Suitable for dogs of all sizes and chew strengths, from small to extra large.

✔ Professionally tested - Used worldwide by police, drug and military K-9 teams, defense teams and professional dog trainers.

✔ Safety First - Supervise use with strong chewers for maximum fun and safety.

The choice for power chewers and trainers worldwide!