[Sniff Training]: You can roll food and snacks into the polar fleece of the toy, and train the dog to sniff, which can consume the dog's energy to relieve their stress. It is very important for the growth of puppies to take 10 minutes sniffing activities. It can improve dog concentration and problem-solving skills. [Safe Material for PET]: This sniff ball is made of durable and comfortable polar fleece Eco-friendly rubber material, and very gentle on the dog's fur making sure your furry friend is not harmed in any way during its playing sessions. [Suitable for Small and Medium Dogs Play]: The pet toy is suitable for small and medium dogs, rabbits, cats, and other pets of any breed or any age. No toy is indestructible. [Ease of Use]: Loose the cloth strip, place snacks in enrichment toys for dogs, and roll up the cloth strip to hide the snacks. Your dog sniff and find them, getting a tasty treat as a reward. It’s like a game of hide-and-seek for your dog. [Easy to Clean]: The plush toy can be hand-washed and machine-washed. When cleaning, you only need to put the dog toy and a small amount of detergent in the washing machine.