KONG Small Classic mentally stimulating enrichment designed to satisfy your dog's natural instincts. Crafted from durable rubber, this versatile toy is for chewing, chasing, and fetching. You can fill the center with peanut butter, cheese, or treats to create an engaging and mind-occupying challenge that keeps your dog entertained for hours. Even without treats, dogs enjoy the KONG for its fun chewability and its unique bounce that moves in an unpredictable pattern. Made in the USA, this toy is i for dogs weighing up to 35 lbs and measures 3 inches in size.