[Two Interactive Modes] As a mentally stimulating and entertainment toy for dogs, Best Dog Toy Ball is specially designed for active or timid puppies or bored adult dogs. Upon being turned on, it will automatically roll, shake or bounce. There are 2 interaction modes: Normal and Smart among which you can switch to make it suitable for different dog plays. the cool LED light will also be turned on to catch your dog's attention immediately. [Perfect for Small Breeds] This dog toy ball is 2.05 inches / 52mm in diameter that is most suitable for dogs weighing up to 35 lbs, but not suitable for aggressive chewers. We suggest your supervision during the fun play and instruct your doggie how to interact with the ball properly instead of just chewing on it, which is also good for enhancing the relationship between humans and pets. [Gorgeous Colors & Safe Material] After starting the Best Dog Toy Ball, the LED will light up to stimulate your pet. Dogs like biting, chewing, and licking their toys. We want them to be happy and healthy, so we care for your pets like babies. This ball's outer shell is made of durable natural plastic that is not easy to chew up. It is BPA-free, non-toxic, odorless and easy to clean, which is comfortable and safe for your fur 's teeth and gums. Besides, it makes little noise on the floor. [Automatic Obstacle Avoidance] with an built-in intelligent motion sensor, Best Dog Toy Ball is able to reverse itself and move away when hitting an obstacle or tight spots, keeping your dog excited and entertained by remaining unpredictable. No need to worry about it getting stuck in the corner. Material: tpr colour: orange / blue<br><br>Package Contents: 1 x bouncing ball Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.