【Panoramic Observation】:High-permeability PS plastics, clear and transparent, which is easy to observe hamster bathing, playing and digging | 【Sand-Proof Design】Deepen the bottom height，the baffle of the extrance effectively helps to prevent sand spilling | 【Side Entrance】Observe the hamster's life without hindrance. Enclosed design to increase the time of hamster bathing. Large internal space so taht your pets could move around freely | 【Easily Cleaning:】Easy to remove the lid,arc design of the bottom can wash the dirty stuff away without effort | 【Size:】5.7 inches long,3.9 inches wide,3.9 inches high. It's matched with a Sand Scoop which is random color. It's recommended for your dwarf hamsters gerbils mice or other small pets