The Exo Terra Desert Sand Mat Terrarium Substrate and Décor is a natural-looking terrarium substrate mat with sized options that range from 10 to 60 Gallon tanks. It simulates a sandy desert floor while being easy to clean and reuse. This hygienic sand mat provides traction for your reptile, encourages natural digging behavior without ingestion risk, and creates an attractive, safe desert environment in the terrarium. Available in Multiple Sizes