Zoo Med Terrarium Moss is completely natural (no dyes or chemicals!) sphagnum moss cage substrate for amphibians and wetland environment reptiles.Completely natural sphagnum moss cage substrateFor amphibians and wetland environment reptilesNo dyes or chemicalsMade in the USASmall for Terrariums 5 GallonsMedium for Terrariums 10 GallonsLarge for Terrariums 15-20 GallonsMini Bale contains 5.62 litersGreat for use in humidifying shelters for all types of reptiles and amphibians. Place in and around water dish to help reptiles gain access to water and prevent accidental drowning. Excellent for use as egg-laying and incubation medium for a variety of reptiles. Zoo Med Terrarium Moss is all natural and sustainably harvested.