Exoticare Desert Blend - Premium Substrate for Arid Dwelling SpeciesThe best substrate for any bioactive enclosure in which desert arid species dwell. Everything you need to to keep your reptiles & other exotics happy that hail from a more arid climate. Complete substrate with all the components required in a bioactive terrarium. Comes premixed with sand, coconut coir, peat moss, organic topsoil, rice hulls, & added calcium. Comes in a stand up, resealable barrier bag to keep contents fresh, and to keep moisture out.