Both 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), suitable for cats, small dogs, kittens, and more. Featuring a modern and cute design, your pet will love them! Food Grade Plastic: This 2-pack pet feeder and waterer set is made of high-quality food grade plastic, eco-friendly, BPA-free, durable, and safe for your pets. Automatic Feeding: Designed with a gravity supply system, this pet food feeder and water dispenser automatically replenishes food and water, allowing you to leave temporarily without worrying about your pet's needs. Easy to Use & Clean: The feeder features a removable lid on top. Simply open the lid to easily add food, which will smoothly flow into the bowl. Additionally, the barrel and base can be separated for easy cleaning. The self-feeding water bowl includes a twist spring cap to help prevent spills when tipped over. These 2-pack pet feeding and watering supplies also include non-slip rubber pads to prevent sliding.