Multiple angled Adjustable Window Restrictors with high strength materials enhances ventilation control and security, offering easy installation for over 80% of window types Features builts in mechanism and sturdy coating, ensuring durability in humid climates while forced entry Ideal for family with kids / pet, ground floor residents, and novices seek home upgrades Engineered with 360 degree rotation capability and childproof security, these window stops maintain structural integrity against weathering while enabling customizable ventilation angled Designs for residential and commercial space, particularly coastal regions or apartments requiring sturdy window and adjustable airflows, Manufacturer: XIBEIDIANZI