[UNMATCHED DURABILITY] Constructed from strong metal with a protective rubber layer, our Baby Kids Child Safety Adjustable Sliding Window Lock is built to endure the test of time. This robust design ensures that it remains effective and reliable, safeguarding your child’s safety for years to come. [USER-FRIENDLY ADJUSTMENT] The innovative adjustable window stopper knob allows you to customize the lock for window thicknesses between 4cm and 2.5cm effortlessly. Enjoy a quick and tool-free installation process, making it the perfect addition to your household safety measures with minimal hassle. [SWIFT LOCKING MECHANISM] This product features a hassle-free locking system that installs in seconds, providing instant protection for sliding windows and doors. Achieve greater peace of mind, knowing your child is secured against potential hazards, with a convenient design for busy lifestyles. [VENTILATION WITHOUT COMPROMISE] Maintain airflow in your home while keeping security intact with our easily adjustable window lock. It allows for windows to be partially opened securely, making it perfect for enhancing comfort while ensuring child safety during those warm sunny days. [ENHANCED PROTECTION] Specifically designed to resist being forced open, this sliding window lock significantly improves your home’s security against break-ins. Protect your little ones while enjoying peace of mind, knowing your living space is off-limits to intruders., Manufacturer: Jelquix