The Extreme KONG Ball with Rope adds long-lasting diversity to games of fetch and tug. Made from KONG Extreme rubber, the ball is designed for durability for long-lasting interactive play. The 100% cotton rope also rewards appropriate chewing behavior while massaging teeth and gum. All of this adds up to playful bouts of mentally stimulating and enriching engagement. KONG Extreme Black Rubber ball for durable fetching fun 100% Cotton rope for tugging and chewing satisfaction Ideal for energized interactive play Size Recommendation: 30-65 lb / 13-30 kg