- AUTOMATIC FILL: The cat and dog feeder uses gravity feed technology to dispense dry food as pets empty the bowl, extending the time between refills. 2. High Quality Eco-Friendly Materials: Our water dispensers and feeders are made of food grade plastic materials, non-toxic and odorless, please feel free to use them; 100% new materials, thick texture, durable and recyclable. 3. Simple and convenient to use: the feeder opens the lid on the top of the food storage container to add food, the drinker can be directly removed from the non-slip base, filled with water, and then fixed on the base. 4. Large capacity feeder: 3.8L large capacity waterer, 1.5kg feeder, automatic pet watering system designed for gravity feeding, small pets can last about 7 days, large pets can last about 3 days, you can confidently go on vacation, work, parties, don’t worry about pets getting hungry. 5. Easy to clean: It can be washed directly with water, it is recommended to clean it once a week.