Size: 9.44 inch diameter, recommend for cat or puppy dogs, may not suitable for big/large breed dogs.hide and seek treat dispenser: 8 slide blocks for revealing treats from slots. You just need to hide small treats into the shuffle puzzle toy, and your pet will find a way to get them, In the beginning, you can try helping your pet to boost his moral. Gradually, he will learn to do it without your help and don’t forget to rewards your dog for being able to complete the task.Interactive and fun feeding toys:not only adding fun/entertainment to your pets mealtime, keep your dog busy and challenged. but also strengthening your dog’s cognitive abilities,improving the dog’s problem solving skills and make them smarter,Increase their IQ with this toy.Application: reducing boredom and negative behavior,good for training or alone time. It Not only can test and strength your pets physical skills, but also provides mental stimulation to your pets. what’s more,it also can be used as a slow