Rectangular Herp Havens have self-locking lids with hinged viewer/feeder windows and airline access hole and an attachment hole (except Mini and Small sizes). The Mini small and medium sizes have carrying handles for easy transport. Herp Haven breeder box has a removable divider plus and extra-large access door in the lid containing an electrical cord inlet opening. Herp Haven breeder boxes are available in three sizes round smallrectangle and large rectangle. Can use as a carrier terrarium or nursery. They are the ideal carrier for various species of reptiles and amphibians.