The Viv Exotic Small OAK cabinet is designed for use with the following Viv Exotic Vivariums: TVV004 VE Viva+ Terrestrial Small OAK PT4100 TVV054 VE Viva+ Arboreal Small OAK PT4115 TVV091 VE Viva+ Chameleon Vivarium OAK PT4124 The cabinet is open topped and connects straight into the bottom of the vivarium creating one complete solid unit. Vivarium not included.