Breathable safety: high quality mesh fabric combined with a double sided zipper provides effective protection against insects while ensuring continuous fresh air flow for the well being of pets and room occupants. Robust solution: reinforced edge seams with high density mesh deliver durable fly protection and optimal air exchange during daily use, without loss of function. Sturdy construction: thoughtfully designed multi layer reinforcement at stress points with a densely woven fabric structure. The double stitched edge binding resists scratching and maintains structural integrity under constant load. Practical solution: ultra fast installation and removal with a double sided zipper design, compatible with standard door frames and requiring no additional tools. Use scenarios - Pet access with insect protection: lets dogs and cats go in and out freely while keeping flies and other insects outside. - Summer ventilation without compromise: keeps doors open for airflow in living areas or kitchens without inviting pests. - Patio or balcony entry: suitable for front, back, or patio doors, creating a comfortable transition between indoors and outdoors on standard door frames. Key specifications - Material: high quality breathable mesh fabric - Closure: double sided zipper for easy entry and exit - Construction: reinforced multi layer at load points; densely woven fabric - Edge: double stitched binding for durability and wear resistance - Compatibility: designed to fit standard residential door frames; tool free installation and removal