Persilux No Drill Blackout Cellular Shades for Windows,Grey,34" w x 48" h

How to Choose Your SizeJust measure your window’s width and round DOWN to the nearest 0.5" size. Pick a width slightly smaller than your window’s exact measurement: If your window is 30 7/8" wide → choose 30.5". If your window is 30 1/8" wide → choose 30".

No Drilling No Tools InstallationIts tension-based design, setting up this blind is totally effortless—no traditional tools or drilling required, and it takes just 10 seconds to install. The tension mechanisms let you remove the blind without damaging the surface, making it easy to reposition, take down, or even move and reinstall it on different windows or locations whenever you need. It’s portable and flexible, adapting to your changing needs seamlessly.

Top Down Bottom Up Cordless DesignThis cordless, dual-directional design stands out from traditional blinds by uniquely balancing light control and privacy. You can easily adjust how much light enters the room to match your preferences, and even block views from both the top and bottom of the window at the same time—all without cords. Plus, the cordless design adds an extra layer of safety, making it a great choice for homes with kids or pets.

Thermal Insulated & Noise-Reducing FabricEquipped with a 1-inch cellular structure, this fabric delivers strong thermal insulation—it cuts down on heat transfer to help regulate room temperature, working well whether it’s cold or hot outside. It also features sound-absorbing and sound-blocking materials (and structural design) that trap and block external sound waves, effectively reducing noise pollution from outside your space.

Magnetic Top Rail Light-Sealing DesignThe top rail is integrated with magnetic adsorption technology This tight magnetic seal eliminates tiny gaps that often cause light leakage in traditional blinds, ensuring no unwanted light seeps in from the top.