It is short grained with a pearly white color and a uniform consistency. One important property of bomba is its ability to absorb two or three times its volume in water without bursting. As a result, more water is needed to cook bomba than other similar varieties, and the grains of rice tend to hold their structure well after cooking. Bomba is one of the most expensive varieties of rice from Spain. For paella, rice balls, puddings and desserts.