KONG Rewards Tennis adds a topspin to treat-dispensing that rewards with kibble, treats and fun with every action-packed roll. Built from durable materials and featuring unpredictable movement this toy is sure to keep dogs engaged while providing mental and physical enrichment. An easy-fill funnel makes repeated use simple. Can also be used as a food bowl replacement to help manage weight. Fun, durable shape provides rewarding enrichment. An ideal food bowl replacement for weight management. Helps reduce gulping.