Safety material: The surface is made of high quality ABS and PC material, the surface is smooth and durable, you can easily unscrew the top cover to clean and add food. No electric drive required: Animals move by themselves when touched lightly. The toy uses its own weight balancing system, no matter how much it is not knocked over by the animal Innovative design: The feeder is equipped with 2-leakage to control the leakage rate. The toy exits snacks during the swing process, which increases the fun of the toy and delayed feeding of the animal can also protect the gastrointestinal health of the animal Easy to use and clean: Simply rotate to open the top cover, then insert snacks, squeeze and lock. Rinse with clean water after each use and air dry. Br> Relieve worries: applies to all cats and dogs. Playing with this toy can often relieve the pet’s anxiety and improve IQ. If you have any suggestions, we look forward to hearing from you. We will get back to you within 24-hour.