The KONG Extreme is the toughest of the KONG family, designed for powerful chewers. Made from ultra-durable, natural rubber, this toy is perfect for dogs that need a more challenging chew. Its unique shape provides an unpredictable bounce, making fetch even more exciting. The hollow center can be filled with treats or peanut butter, offering mental stimulation and long-lasting entertainment. Whether for chewing, fetch, or enrichment, the KONG Extreme is built to withstand even the most aggressive chewers and keep your dog engaged for hours!