Interesting Design - This cat toy ball has 3 small balls, a top ball and two track balls attract your pets to play. With tumbler design, these balls can interact with your pets. Transparent storage tank of the food ball makes your pet to find the inside food easily and directly. High Quality Interactive Cat Toys Tumbler cat toy interactive ball is made of safe and environmentally friendly ABS plastic material, odorless and abrasion resistant, interactive cat toy is equipped with a counterweight at the bottom, so it wont fall over no matter how the cat uses it. Easy to Use & Clean This kitten toy is easy to operate, just twist to open the top cover, then put the snacks in it, tighten and lock.After monthly use, open the lid, rinse with water and air dry, this toy is easy and time-saving to clean. Cat Toy Leaked Food Design - Adjust the size of the food leakage hole according to your needs. When your pets are playing with this feeder ball, snacks will fall out of the ball. You can use this toy as a slow feeder, which helps your pet to develop slow-eating habit. Service Guarantee If you have any question, please feel free to contact us and we will do our best to serve you. We will provide an express replacement or refund for any defective product.