Window Locks & Sliding Door Security Bar, 2 Pack Adjustable Child Safety Lock for Up/Down/Horizontal Windows & Sliding Glass Doors from Inside, for Apartment & Patio (17-50 Inch)

Sturdy, Reliable Build for Added Security: Crafted from high-density steel with anti-rust coating and non-slip rubber tips, this heavy-duty bar provides a solid, extra layer of protection for doors and windows in your home, apartment, or patio. | No-Drilling, Tool-Free Installation: Install or remove it in under a minute without damaging your window or door frame. The telescoping design with extension piece allows quick adjustment and easy storage, ideal for renters or portable use. | Intrusion Deterrent & Child Safety: Serves as both a physical barrier against unauthorized entry and an effective child safety lock, helping prevent accidental opening of sliding doors and windows by children or pets. | 17"-50" Adjustable: With a wide adjustment range and fine-tuning bolt, the bar tightly braces against the frame without slipping or moving. Works as an effective slide stopper for horizontal sliding windows, up/down windows, and patio doors. | Versatile & Portable: Use it as a window security bar, sliding door lock, patio stopper, or even a travel safety stick. Compact, adjustable, and ready to secure any slider or hinged door inside your home, apartment, hotel room, or office.