Description: 【Easy Assembly】: This hamster cage features an integrated design that requires no installation. Simply place the components in their designated positions for a quick and easy setup, saving your time and effort 【Customizable DIY Design】: The cage offers flexibility with its stackable and expandable design. You can easily add extension as needed, with options to connect straight tubes through side round holes for a personalized habitat that includes tunnels, transparent sections, or even a bath area 【Ventilation System】: Equipped with multiple ventilation holes, this cage helps reduce odors inside the habitat, ensuring your small pet enjoys a fresh and clean environment 【Elevated Base】: The elevated corners of the cage base increase your pet's visibility within their home while minimizing contact with the ground to reduce friction 【Transparent】: This Hamster Habitat is specifically designed for hamsters, featuring a transparent hamster nest that allows you to observe your pet's activities Specification: Material: PP Size Chart: 31cmx21cmx20.5cm/12.20inchx8.27inchx8.07inch Package Includes: 1 Hamster Cage   Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.