Features: Keep your little explore safe with our Child Safety Window Locks, crafted from strong PP component to prevent accidental window openings while allowing adjustable ventilation. This 4pcs baby proofing window lock set installs instantly without tools, featuring a secure grip design that fits most window types and provides full coverage for multiple rooms. Essential for homes with active toddler or curious pets, these adjustable window security locks offer peace for parents prioritizing child safety near window. Designed for bedrooms, living areas, and playrooms, these discreet locks maintain homes aesthetics while creating a protective barrier against unsupervised window access. The sliding mechanism enables customized ventilation control, blending childproof functionality with modest construction to complement modern interior designs effortlessly. Specifications: Component: PP plastic Size: about 11x9.8cm/4.3x4inch Package Includes: 4xWindow Lock note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.