Variety & Value Pack: The gift set contains the 3 most popular IQ treat ball dog toys (1 pcs PetFavorites® watermelon treat ball, 1 pcs PetFavorites® slow feeder, 1 pcs PetFavorites® treat roller), providing various feeding experience and lasting fun with more saving. Soft, Safe & Durable: All the 6 smart dog food toys are made of pliable, non-toxic and eco-friendly rubber material Interactive Dog Food Dispensing Toys: Fill the dog food dispenser toy with your pets` favorite treats or meal and watch them roll it around and try to get the treats out. 5 in 1 Dog Treat Toys: IQ training, long lasting chewing, slow down feeding, dental teething, and reduces boredom & destructive behavior. Perfect for everyday exercise, birthday and holiday gifts for your doggies or kittens. US Popular Pet Supply Registered Brand: PETFAVORITES®. The diameters of all these pet toy balls are between 2.8' and 3.1' , ideal for cats or small to medium sizes dogs. Not recommended for large strong aggressive dogs.