Antblocker White Tray for Automatic Cat Feeder, Smart Dog Food Dispenser Used together with Antblocker automatic pet feeder.It also fits other pet food bowls of size smaller than the upper tray to block ants. The upper tray is to place the smart pet feeder and the lower one is for water, so that it can make a "moat" for the food. Size:14.48*11.1*2.16inch for the upper tray, 17.7*12.2*0.98inch for the lower one. Stop ants from dog or cat food.More sanitary and safe. Plastic tray in white, material easy to clean.