Side Window Design: This birdcage cover features a side window that promotes air circulation inside the cage while maintaining privacy. The breathable design helps keep your feathered friends comfortable day and night, providing ventilation without compromising coverage or protection from external elements. Adjustable Semiopen Design: The smart shrinkrolling curtains and door curtains can be easily fixed in an open position for flexible interaction with your pets while keeping them secure. When bad weather strikes, simply close the cover completely for full protection against rain, wind, and dust. Easy to Use and Maintain: Designed for convenience, this universal cover uses a practical drawstring closure for quick installation and removal. The machinewashable material saves you time on cleaning while maintaining quality. The generous 38x23x51 inch size accommodates most large cages, and the available black or brown colors blend seamlessly with any home decor. Durable and Multifunctional: Made from heavyduty 210D oxford cloth with a silvercoated inner lining, this cover offers yearround protection. It is not just for birds—the versatile design fits various pet cages including hamsters, cats, and dogs. The reinforced construction resists tearing and maintains its shape through many uses and washes. Use scenarios: In the living area during the day, use the side window for airflow while preserving privacy and reducing drafts. In bad weather, close the cover fully to shield against rain, wind, and dust while your pets rest. When transporting or reorganizing spaces, rely on the drawstring closure for fast setup on large cages and easy cleaning thanks to its machinewashable fabric.