This treat ball is suitable for small to medium sized dogs that do not chew excessively and cats. (Please use the product as shown in the pictures) Harder Ball: The smooth shape of a large egg allows the animal to put it in the mouth and tear it apart. (Please use the product correctly to avoid being destroyed by excessive violence such as gravity impact, falling from height, etc.) Durable and easy to clean material: Made of ABS and high quality polycarbonate, the toy is strong, non-toxic and easy to clean, even pasta or other sticky things. Dimensions: 100 x 100 x 117 mm, 270 g. Much larger than tennis. Holds about 300g of dog treats. Slow Feeding: The internal labyrinth-type damper device allows food to be put into the container, let pets enjoy interactive meals and fun. slow feeder, ideal food container for dogs and cats.