Both of automatic cat feeder and water dispenser measure 13 x 6.5 x 9 inches, with a capacity of 0.5 gallon / 2 liter (the maximum capacity: 0.6 gallon), perfect for cats, small dogs, kitten, etc. With modern and cute design, your little pet will love them Food Grade Plastic: 2 pack pet feeder and waterer set is made of premium food grade plastic, eco-friendly, BPA-free, stable and durable, safe to use for your pets. Automatic Feeding: Our pet food feeder and water dispenser designed with gravity supply system, can automatically replenish food and water supplies so that you can go out temporarily without worrying about your pets. Easy to Use & Clean: The feeder top has a detachable lid. Just open the lid and add food with ease, and the food will smoothly flow into the bowl. Besides, the barrel and the base can also be split for easy cleaning. The self feeding dog water bowl comes with a twist spring cap for a spill proof seal when turning it over. Also, these 2 pack pet feeding and watering supplies have non-skid rubber stickies to put on the base so there's no slide.