[ENRICHMENT DOG TOY]: This treat dispenser dog toy combines entertainment, puzzles and food dispensing. By playing with this toy, dogs can train their intelligence, expend excess energy, stimulate the mind, provide mental enrichment, and engage bored dogs in physical activity, allowing dogs to gain more fun and skills while playing[DEVELOP GOOD EATING HABIT]: Dogs need to roll the treat dispenser ball so that the treats fall through the holes in the toy, allowing your dog to eat while exercising. The food dispensing feature helps dogs develop a slow eating habit, which can promote digestion and absorption of food, as well as burn energy to avoid boredom and tearing up furniture[ENHANCING INTELLIGENCE]: Dogs can smell the food through the dispensing holes, which will entice them to think about how to access the food inside the toy. Obtaining food rewards while rolling toys can help increase the dog's physical activity and improve its IQ. The dog puzzle toy is designed with different sized balls at both ends, when the dog pushes the toy, the toy will move in a fixed area, allowing the dog to constantly chase and play[ADJUSTABLE FOOD LEAKAGE HOLE]: Both spheres are equipped with a food dispensing switch, and the size of the food leakage hole can be adjusted by turning the switch to fit various sizes and types of pet dry food, jerky, or biscuits. The dog treat toys can also control the amount of food dispensed, extending or shortening the time it takes your pet to obtain food. Extensive testing to accommodate most sizes and shapes of dry pet food on the market[DOG FRIENDLY MATERIAL]: Our interactive dog toys are made of food grade ABS, which does not contain any BPA, PVC or phthalates. Durable dog toys with certain wear and bite resistance to resist damage from dogs. The surface of the toy ball is designed with arcs, so you don't have to worry about your dog getting scratched during the use of the dog activity toy. You can rest assured that your dog can use it!Size15.5*8.75cmWeight140gPacket1pc