This 2-in-1 Slow Food Feeding Pet Bowl is Made of Durable & Pet-safe Polypropylene Material, Its Size is About 7.99 Inchx7.99 Inchx3.03 Inch,4 Colors for You to Choose From. by Lifting the Inner Bowl by Hand & Rotating It 60 Degrees in Any Direction, You Can Switch Between the Slow Food Bowl Shape & the Regular Bowl Shape. the Unique Anti-gulping Design Makes Mealtime More Engaging for Your Dog, Provides an Interactive Layout That Encourages Dogs to Eat More Slowly, & Prevents Bloating.