Volcanic rocks are igneous rocks that are irregular and porous in texture, making them a interesting alternative to smooth pebbles. 

 

These rocks are prized because they allow for good drainage with regards to plants that do not waterlog. It is also highly durable and long-lasting. 

 

Our very own volcanic rocks comes in various sizes, ranging from the commonly seen pebble sized ones to those that are as huge as boulders, uncommonly sighted in Singapore and other suppliers as well.