Top of bowl measure 7.5" in diameter and measure 5.5" in diameter at the bottom. Expandable to 2.5" high as drinking or eating bowl and holds up to 24 oz of water. * Collapsible travel bowl ready to store or take anywhere. * Easily fits in a pocket, great for travel, parks and walks. * Made from durable non-porous silicone. * Ideal for medium to large size pet.