Rigid construction and solid base panels, and base panel can be removed for cleaning
Side panels unzip allowing maximum airflow
Small permanently-open side mesh vents
Large lid opening for ease of access
Lid has two-stage zipper opening; first stage allows flap to open with mesh closed, second stage opens mesh to allow pet to look out while on integrated leash
Both lid panels roll back, with tab to secure open
Wide front panel also has two-stage opening; first stage opens mesh porch, second stage opens completely
All two-stage openings zippers securely latch together
