BPA free: food-grade plastic material, non-toxic no strange smell, please feel free to use; material, thick texture, durable, recyclable Automatic pet watering/food system with gravity feed design, you can rest assured to go on vacation, work, party, do not have to worry about pets will be hungry 3.8L/ 1 gallon: It can control the overflow of water / food with anti over braking device. Keep water / food fresh .To meet the pet daily feeding needs. Automatic watering system: large capacity 3.8L, Automatic pet watering system with gravity feed design, you can rest assured to go on vacation, work, party, do not have to worry about pets will be hungry Easy to clean: barrel and chassis can be split, you can rinse directly with water, it is recommended to wash once a week