Make Fetch Happen® with a Chuckit!'s® Peanut Butter Sniff Fetch Ball! Infused with a peanut butter scent, this fetch ball attracts your dog to its mouth-watering peanut butter scent, making it easier for your dog to find during games of fetch. Made from the same durable natural rubber with an extra thick core that Chuckit! fans have come to love, this ball is launcher compatible with medium Chuckit! Launchers and has a high bounce that keeps dogs engaged in play. Catch the Scent with Chuckit!'s Peanut Butter Sniff Fetch Ball.