Zilla Reptile Terrarium Bedding Substrate Coconut Husk Brick Made from 100% organic coconut fiber Highly absorbent bedding retains moisture and expands to cover the bottom of a 55 gallon enclosure Keeps terrarium humidity at a high level Ideal bedding depth in enclosure is 1 to 2-inches, remove and replace bedding as needed Ideal for chameleons, rainforest geckos, frogs, toads and egg incubation