【𝐒𝐈𝐙𝐄 𝐈𝐍𝐅𝐎】Inside mount for widths of 58.5-58.8 inches. Requires a 2-inch minimum frame depth for inside mount. 【𝐍𝐎 𝐃𝐑𝐈𝐋𝐋 𝐈𝐍𝐒𝐓𝐀𝐋𝐋𝐀𝐓𝐈𝐎𝐍】​This roller window blind offers a convenient installation process without the need for any tools or drilling. Simply insert the product into the window frame, and the installation can be completed in just 1 minute. 【𝟏𝟎𝟎% 𝐁𝐋𝐀𝐂𝐊𝐎𝐔𝐓】Achieve total darkness with our window shade—minimal gap design for complete light and UV ray blockage. The thermal layer ensures optimal room temperature, energy efficiency, and noise reduction. Perfect for bedrooms, living rooms, kitchens, bathrooms, and offices. 【𝟏𝟎,𝟎𝟎𝟎+ 𝐏𝐔𝐋𝐋𝐒】Silent and smooth performance is guaranteed by a top-notch chain system, surpassing industry standards with over 10,000 continuous operation tests. Choose our roll-up window shades for unparalleled quality. 【𝐒𝐀𝐅𝐄𝐓𝐘 & 𝐒𝐓𝐀𝐁𝐈𝐋𝐈𝐓𝐘】Every shade comes with a safety chain connector that can be securely fixed to the wall, ensuring cords and bead chains are always out of reach for children and pets. Aluminum bottom rod and chain pendant minimizes curtain sway when exposed to the breeze.