PREMIUM SLAT: Our mini blinds are made of high quality Al-Mg alloy, which is durable and not easily deformed. Not only do aluminum blinds provide better waterproofing, but also have a nice shine that will never get from vinyl blinds. CORDLESS DESIGN: The mini blinds for windows has a safe spring design, and providing a safe environment for home with pets and kids. Nice clean lines make the overall look really classy and can simply hold the bottom rail to easy up and down. LIGHT CONTROL: By rotating the top rod, you are not only able to make the cordless mini blinds switch between light filtering and room darkening but also able to provide just the perfect light into your space. INSTALLATION INSTRUCTIONS: Inside mount requires at least 2" window frame depth and the window blinds width should be at least 0.25" less than the window frame width. For outside mount, just choose blinds that are 4" wider than the window frame. EASY TO MAINTAIN: Simply use cold water or a soft brush to complete the daily care of aluminum mini blinds and are great for bathroom, living room, kitchen, garage window.