Features: Experience quiet door closure with our automatic door closing, featuring a noise reducing spring mechanism and durability aluminum alloys construction for long lasting performances in homes and offices. Built in quiet spring systems and corrosions resistant aluminum alloys ensures smooth, rustproof operations, while the simple installation allows quick setup in under 5 minutes. Ideal for households with children/pets and enthusiasts seeking home security solution without professional assistance. Perfectly suited for interior/exterior door in bedrooms, bathrooms, kitchens, and commercial spaces requiring reliability auto closing functionality and moisture resistance. Combines safety and convenience with its auto shutting capability that prevents accidental open door, maintaining privacy and energy efficiency in any living or working environment. Specifications: Color:Two Choices Dimension:15.3×9.9cm/6.02×3.89in Component:aluminum alloys Package Includes: 1pc Quiet Auto Closing Door Device note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.