What are some key features to consider when choosing a modern bunny cage for your pet rabbit?

When choosing a modern bunny cage for your pet rabbit, consider features such as size, ventilation, ease of cleaning, security, and enrichment options. Make sure the cage is spacious enough for your rabbit to move around comfortably, has good airflow to prevent odors and respiratory issues, is easy to clean to maintain hygiene, has secure locks to prevent escapes, and includes accessories like toys and hiding spots for mental stimulation.