This roach enclosure heater is constructed from a 12" x 12" or a 18" x 12"section of THG heat tape (or a comparable product) with soldered and insulated connections. It comes with 6' of heat resistant aluminum tape. Use the metal tape to securely attach the heat tape to one end of your existing roach enclosure. This heater is constructed to provide an optimal breeding environment of 100° F-120° F. Simply attach to your enclosure, plug in the heater, and watch your roaches breed. The 12" x 12" heater is appropriate for up to a 20 gallon enclosure. The 18" x 12" heater is appropriate for a 20-40 gallon enclosure. Warning; This product is provided with the condition that the user will determine the suitability of the product for its intended use, and they agree to assume all risks & responsibility for the proper use of the heat tape. They further agree that that the South Texas Dragons shall not be liable for any injury, loss or damage arising from the use of this product. Heat tape has been used as a heat source for reptiles and insects for many years and there is always the possibility of melting or burning. South Texas Dragons does not provide any warranty or liability for problems associated with its use. Please use at your own risk