Zoo Med Eco Earth Substrate Block is a compressed coconut fiber block that expands into a soft, natural bedding for reptiles and amphibians. This eco-friendly substrate retains moisture, promotes humidity, and provides a comfortable surface for burrowing species. It's ideal for tropical and forest terrariums. ✅ Made from 100% natural coconut fiber ✅ Expands to provide deep, moisture-retaining bedding ✅ Safe and free from harmful chemicals ✅ Supports natural burrowing and foraging behaviours Perfect for species requiring high humidity like dart frogs, chameleons, and forest-dwelling reptiles. Available now at Internet Reptile with fast UK dispatch.