Koller Products Tom Kreature Kingdom Divider fits Tom Kreature Kingdom Mini Rectangle Habitat Installs easily in your Creature Kingdom Habitat TM1001, fits habitats 7" x 5-3/4" x 4-3/8" Instantly creates separate space for your pets Removable at any time Ideal for small animals, reptiles, aggressive fish or insects Dimensions 3-1/2 x 4-1/4 x 1-1/2 Inch, (L x H x W) This is an aftermarket of generic part