Digby & Fox Non-Slip Dog Bowl - Silver. The Digby & Fox stainless steel non-slip dog bowls are suitable for water or food and have a tip-proof shape that will stay place for eager feeders. They have a fun design and are highly long lasting and robust. The bowls are hygienic and easy to clean, and they may even be washed in the dishwasher. They are not chewable or breakable like plastic or porcelain. There are three sizes available: 235ml, 710ml, and 1.4L.