The Snack Ball dog toy is made from safe and extremely durable solid rubber. How does it work? Just fill the Snack Ball with tasty treats! Your pet will try to get the treats out of the ball by rolling it around and playing with it. However, treats will only be released in small doses due to the ingenious snack labyrinth design, which keeps the treats moving around through the opposite openings until your dog can finally get its paws on the reward! Diameter of hole for filling: 2.5cm. The Snack Ball is also ideal for retrieving, exercise, and training, thanks to its bright colour that makes it easy to see. It massages gums and "playfully" cleans teeth. The Snack Ball is a great activity toy for your dog and features a paw and bone designed to give it an attractive appearance. It is great for taking on long walks, training your dog, or simply using at home to while away a few happy hours! Snack Ball Dog Toy at a glance: Ideal for keeping medium-sized or large dogs occupied for hours Can be filled with irresistible treats: the ingenious tunnel system ensures the controlled release of treats Adaptable: this toy can be used for training, rewarding or fetching Robust and durable: made from tough rubber Attractive appearance: with cute paws and bones Colour: green Material: 100% rubber Size: Total size: approx. diameter 10.5cm Filling access: diameter 2.5cm Weight: 385g Please note: Colour may differ from photo; the Snack Ball will be delivered in green, red, blue or yellow. Treats are not included. Products from the Dog Training Rewards section work well with this toy. Example of use: Please note: No toy is completely indestructible. As with any other product, please supervise your pet with this toy. Check the product regularly for damage, and replace the toy if it is damaged or missing any pieces to avoid potential injury to your pet.