Features: Concealed sliding door lock with recessed installation seamlessly integrates into door frame, maintaining a flush surfaces for minimalist aesthetics while crafted from weather resistant metal for indoor outdoor durability. accuracy engineered locking mechanism ensures secure closures , preventing accidental openings from wind or movement, ideal for homes with children/pet search reliable safety. Perfect for design awake homeowners and family prioritizing both security and unobtrusive hardware in modern, Scandinavian, or industrial style interiors. Optimized for bathrooms, balconies, and moisture prone areas, this invisible lock withstands moisture , temperature fluctuations, and daily wear without corrosion or fading. Its cautious profile and neutral finishes (silver/black) preserve architectural , transforming functional security into invisible pattern of your space. Specifications: Material: metal Size: about 45x160mm/1.77x6.3inch Package Includes: 1xGolden Invisible Sliding Door Lock 3xKey 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 differences between different monitors, the picture may not reflect the actual colorful of the item.