Ruffwear Basecamp Dog Bowl. A bowl fit for travelling! This bowl is made with food grade 304 stainless steel and has a silicone grip base so it stays put. Bowl features a concave bottom makes sure that food and water collects in the center. Stackable and easy to pick up these bowls are ideal for home or travel! Hand wash with mild detergent; air dry.SizingOpening: 6.3 in. | Holds 5 cups (1.2 L)