[Automatic Bounce & Squeak] - The Interactive dog ball is motorized to auto squeaking, vibrating and shaking by random when turned on. makes dog excited and animated. Bouncing ball for dogs will activate again by shaking or powerful touching, wobble wag ball could help dog exercise more and have fun. [Keep Pets Entertained & Exercised] - Small dog likes run and chase wobble wag dog ball that moves automatically. The interactive dog toy will accompany your puppy when you are not available, also could help the dog exercise more and have fun. [Washable & Replacement] - The durable plush cover can be washed. longer use time, and reduce dog sick when plush dog ball become dirty, you can open the Velcro of plush cover, take out electronic dog toy ball and wash the cover. [Durable & Safe] - Squeaky dog toy is made of Plush cover. All materials are sturdy, safe and non-toxic. Its durable for small and medium sized pets.