Premium Quality: Made of high quality ABS material, safe and non-toxic, durable. (This product requires two AAA batteries, not included in the package) Replaceable Toy: The ball of this toy can be replaced with other toys, you can replace the toy according to the cat’s preference. Automatic lifting ball: clip the toy on the table, and the rope will rise and fall automatically after activating the toy. It can turn off automatically for about 5 minutes, or it can turn off the button while the toy is working. PERFECT GIFT: This interactive cat toy can stimulate their thinking and stimulate them to actively play. Plus, it reduces loneliness and releases stress from the cat, the first choice for cat lovers. Application: This automatic lifting ball has a diameter of 7cm and is suitable for a table with a thickness of 1-3.5cm. Please confirm your table thickness before purchasing.