• Adjustable magnetic mosquito net for bay windows, ideal for ventilating rooms while preventing the entry of mosquitoes and other insects. • Made of high-strength fiberglass, with double-width adhesive velcro for secure and long-lasting attachment. • Automatic closure with 60 magnets and weighted base, ensuring optimal protection against mosquitoes, flies, and crawling insects. • Quick and easy installation without the need for tools, thanks to ultra-resistant velcro. • Two magnetic openings allow easy passage and automatic closure after use. • Fits standard or custom-sized openings, and can be cut for a precise fit (from 8 cm high to 16 cm wide). • Allows you to enjoy ventilation and fresh air without discomfort, while maintaining the brightness of the rooms.