Why do two stainless steel bowls look different？

In order to provide better products, our water bowl adopts the polishing stainless steel process (which is usually used in kitchen supplies), which is safer

Can the feeder be machine washed?

We recommend hand wash. If you want to use dishwasher, please turn off the heating function to avoid high-temperature cleaning

How does the feeder work?

Gravity induction. When the bowl empty, the dry food or water will be filled up again into the bowl until the whole bottle is empty

Is this feeder sold as a pair？

Yes.The automatic feeder set come with 1 food feeder and 1 water dispenser

Is this feeder works good to going out for 6 days?

The feeder set can hold about 6 pound food and about 1 gallon water,can be used by small medium pets about 7-9 days, 3-5 days for large pets