?INTERACTIVE PLAY? Interactive dog treat toys, bring more fun to your dogs, and enhance the relationship between you and your lovely pet. High-visibility colors to attract your pet as much as possible and help you find the ball easily wherever in bushes leaves or grass ?4 DIFFERENT BALL TOYS? 2.56-inch cotton rope ball, 2.36-inch tennis ball, 2.17-inch rubber bounce ball, and water floating ring-outer diameter 7.48 inch, inner diameter 6.3 inches. Perfect sizes for your puppy to fetch and satisfy a dog?s natural urge to chew ?SAFE DURABLE? All balls are made of 100% safe materials to ensure the safety of dogs. Cotton rope ball-cotton, tennis ball-polyester fiber and rubber, bounce ball, and water floating ring are made of EVA. They are lightweight, soft textured and durable, portable, and friendly to your dogs ?MULTIFUNCTIONAL?Chewing ball keeps your dog?s teeth clean and maintains good health. Floating ring-training dog?s skill of swimming, bounce ball-training dog?s skill of running, fetching ball-make your dog smarter ?INDOORS OUTDOORS?Cotton rope ball is suitable for indoors to keep your dog busy and won?t let your dog feel bored. Tennis ball and rubber bounce ball are suitable for fetching and chasing on the lawn. Water floating ring is not only great on the land, but also can be played in the swimming pool, river, or lake Package includes: One 2.56 inch cotton rope ball One 2.36 inch rubber tennis ball One 2.17 inch EVA bounce ball One water floating ring-outer diameter 7.48 inch,inner diameter 6.3 inch