[Non-Toxic Healthy Safety Material]-RERBIO Automatic Pet Slow Feeder Treat Ball is made of high quality food grade ABS material. It is a tough, durable, non-toxic and safe food container. It is It is suitable for small and medium-sized dogs and cats and other pets.[Food distribution function]-The toy has differently sized spheres at both ends. As dogs push the toy, it moves within a fixed area, allowing dogs to continuously chase and play with it. During movement, food is dispensed from the food holes on both sides of the toy.[Prolonged play]-The dog treat dispensing toy is designed to limit the amount of treats your dog gets while encouraging more extended playtime. This is intended for supervised playtime for pets and is not a chewed toy.[Adjustable size]-Each of the two spheres with a food dispensing switch, making it suitable for various sizes and types of pet dry food, jerky, or snack biscuits. The switch can be adjusted according to the different sizes of dog food. It also allows control over the amount of food dispensed, extending or shortening the time it takes for pets to obtain food.[Puzzle toy function]-RERBIO dog toy ball can easily attract your pet's attention, helps pets improve intelligence, burn off excess energy, stimulate the mind, enrich the intellect, and engage bored dogs in physical activity.