Prevue Pet Products SPV2005 4-Pack Hamster Haven Dual-Level Cage, Large Hamster haven dual-level bird cage Provides is a great home that provides ample vertical living space for hamsters Includes a large top-opening door and smaller front door for easy access to your pet Also includes 1 ramps, 1 platforms, a hideaway house and exercise wheel Overall measures 21-5/8-inch length by 13-3/8-inch width by 14-1/4-inch height