ProRep Desert Sand is a fine silica based sand suitable for species that originate from dry environments. It is completely natural and can be used to create an attractive landscaped environment for your pet. Guaranteed free from heavy metals it is carefully washed and dried before packing so you can be confident it is free of unwanted contaminants. ProRep Desert Sand can be dampened to provide areas of higher humidity, such as under hides, without the risk of it rotting.