PresentaBowls® 24 oz. Black Square Bowl. The crystal-like design and superior look of PresentaBowls Pro® square bowls creates an upscale presentation for your food. The large variety of sizes allows for more versatility, making PresentaBowls Pro ideal for a range of uses including deli, bakery, produce, and specialty items. The PresentaBowls square bowl is microwaveable allowing for hot and cold food applications, leading to increased efficiency and reduced inventory.