Extreme Kong

Ultra-Strong Black Kong® Toy - For tenacious chewers. Exclusive Ultra-Flex carbon black formula in 3 sizes are available to satisfy large, tenacious power chewers. Approximate Sizes: Medium = 3.5" high, large = 4.5" high, Xlarge = 5.5" high. Medium is for terriers up to 35 lbs, Large for 30-65 lbs, Xlarge for 60-90 lbs.