The REPTIZOO Knock Down Mini Glass Terrarium is the ideal reptile or amphibian housing. There are many different sizes of the REPTIZOO Glass Terrariums, which are built with different great features that help provide your reptile or amphibian with a durable and comfortable environment to live in. Glass terrariums are the preferred choice of professional Herpetologists. They offer the best viewing for your animal; they are suitable for damp and humid conditions, are hygienic, and easy to clean. Glass also maintains the correct heat gradient more safely and easily-maintaining the correct heat gradient is critical to a reptile's and amphibian's well-being as they use external heat sources.