TWO-TIER: Allows your pet to move up and down, keeping more active. Bottom level is spacious, top level is fitted with hut and running wheel. Ladder for them to move up and down easily. FEEDER AND DRINKER: Fixed inside, gives you all you need to get them fed and hydrated. NON-SOLID PLASTIC STRUCTURE: Solid and secure. No gaps mean they won't catch themselves when moving around. SUITABLE FOR MICE, HAMSTERS, GERBILS AND SIMILAR ANIMALS. DIMENSIONS: 31H x 70L x 45Wcm. Front door: 13.5H x 37Wcm. Hut: 16H x 12L x 7Wcm. ASSEMBLY REQUIRED.