Wholesale Square Melamine Diner Bowl 6.25"x0.50" Square Melamine Diner Bowl 6.25"x0.50". This beautiful square melamine dinner bowl is durable, hardworking and easy to clean up. with same-designed plates and serving bowls to match, the attractive dinner bowl will brighten up your dining room. Perfect for everyday use. Safe in the dishwasher-top rack. 6.25" dia. 48 per case.