Product Material: ABS Color: green single hole, gray double hole Product Size: Approx. 16*16*20cm Ball Diameter: Approx. 6 cm Food tray: 8 cm diameter Function: toy, feeder, trainer, slow food bowls etc Suitable for: cats, dogs and other animals Product list: 1 x reward machine 1 x tennis 1.MaterialSafe and environmentally friendly materials, no need to plug in. Timber security odor-free environment. Free of heavy metals and hazardous substances. 2.Reasonable DesignDog food/snacks(BEST FIT: 6mm round dog food, no more than 8 mm) can be placed with a buckle on the lid to prevent dumping. The bottom has a tray design, which is removable and easy to clean. 3.Interactive Dog Toys Smart pet toys enhance interaction with people. Let your dog enjoy the feeding process more by playing with the tennis ball reward machine. 4.Slow Food Feeder: Dog gets food by putting a tennis ball into the dispenser, which can effectively avoid problems caused by eating too fast, such as indigestion, vomiting and choking. 5.Independently play independently: Even if you are very busy, it can help your pet stay healthy and energetic and relieve stress.With removable physical disk , easy to clean, dont taking up too much space.