Protection: This dog toy has multiple and sensors, which can detect and protect people or pets. It does not take up space: It can be easily placed indoors and outdoors, and it is suitable for being placed in a corner. Your dog will like it very much. The lid of the reward storage location has a buckle to prevent it from tipping over. Easy to use: This ball game is very easy to use, and the innovative design allows your dog to play this game by himself. When using it for the first time, it is recommended that you demonstrate to the dog that you put the ball in the center of the Machine and wait for the ball to roll out. At the same time, the dog snacks will roll off the reward channel. After interacting with the dog many times, let it experience the fun of the game. Elastic tennis is suitable for pets of different ages to bite. This game can improve the interaction between you and your pet and train your dog to play by himself. Specification: Material: ABS Size Chart: 16x16x20cm/6.30x6.30x7.87inch Package Includes: 1 Piece Pet Tennis Trainer Toy, 1 Piece Tennis 1 Piece Use Manual Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!