1. This can be used as a water toy 2. The toy itself is made by TPR [Germany Bayer], which can be used for daily grinding of dogs 3. We also designed a replaceable vegan formula snack cake, which can improve the dog's interest in playing 4. When the snack cake is not in use, you can also spread peanut butter on the place where the treat is placed for the dog to use 5. The suction cup design is added, which can fix the product in a certain position for the dog to use, attracting the dog's attention when the dog is bathing or cutting nails. 6. This is a multifunctional toy that combines eating and playing for dogs.