The QQQNG Dog Treat Dispenser Toys Puppy Interactive Puzzle Toy Pet Food Dispenser is perfect for feeding your dog. With its unique design and appearance, it is sure to get your dog’s attention. The front and back of the toy are made with food leak holes, making it compatible with most dog kibbles and treats. The granary of the toy can be opened and closed, to add treats conveniently. When the dog pushes the toy, treats leak out of the toy as it rolls forward or backward, rewarding your dog with treats through his own efforts.