1. Safe Material: Non-odor material. High-quality plastic is used to make this dog treat ball.2. Unique Food Launcher: By placing the tennis ball in the opening on top, the hole will automatically open and provides a reward for your dog. 6cm elastic tennis ball, suitable for pet of different ages. With removable physical disk on both sides, it is clean and hygienic3. IQ Interaction Toy: The IQ puzzle balls stimulate intellectual growth, increase daily exercise, help in training your pets both in agility and intelligence.4. Taking Up No Space: Suitable size 18 x 18.5cm, great for using in various places, such as living room, kitchen and garden.5. Killing Time: Even if you are very busy, it can help your pet stay healthy and energetic, relieve stress. Suitable for dogs of all ages.Size: about. 18 x 18.5cmMaterial: PlasticBall Diameter: about 6cmColor: As the picture showNoticeDue to the different monitor and light effect, the actual color maybe a slight different from the picture colorPlease allow 1-3cm differs due to manual measurementincludes:1 x Food Reward Machine Tennis Balls Spoon 2 x Detachable Board