Non-Toxic and Smooth: The dog training toy is made of environmentally-friendly and high-density wood. It is totally safe for your dog ,durable,smooth and tear resistant. Slow Down Eating: The dog treat puzzle toy slows down the speed of eating to keep your pet healthy when providing hours of fun for it. It can help to keep your pet from obesity and protect its stomach. Interesting Design: The hidden food box and trap design is so interesting for dogs. There are some slots exclusively designed to connect the sliders and the toy. The design makes the sliders slide smoothly but not fall off easily. Encourage Exercise: Your dog have to do do some exercises to get the treat. During the hunting process , your dog can enhance the sense of smell and get more exercises. Good for Intelligence: The interesting design make the eating process a interesting puzzle and game. The pet must think about how to get the treat , it will stimulate its intellectual development. Specification: Material: high quality wood Size: 24cm*23.5cm*3cm Weight: 0.66kg Warm tips : The intelligence dog toy is not for chewing or tearing. Always supervise your pets while playing.