KONG XL Extreme mentally stimulating enrichment designed to satisfy your dog's natural needs. Crafted from the most durable rubber, it is for the most aggressive chewers. This versatile toy can be used for chewing, chasing, and fetching, providing endless fun for your pet. You can fill the center with peanut butter, cheese, or treats to create a mind-engaging challenge that keeps your dog entertained and occupied. Even without treats, dogs enjoy the KONG for its satisfying chew and unpredictable bounce. Made in the USA, it is suitable for dogs weighing between 60 and 90 pounds and measures 5 inches in size. Model Number: