Super large habitat--provides 540 sq. inches of living space Ideal for large breed hamsters (such as Syrian hamsters) & gerbils Expandable port to connect to other CritterTrail habitats easy cleaning with rounded corners & quick release clips for wire top Safe for pet with large top access door & 1/4" wire spacing Habitat includes: Comfort shelf Safety ramp Port door connector Bubble plug Fun-nel tube Habitat dimensions: 30"L x 18"W x 16.5"H