Cordless Blackout Cellular Window Shade 20in Wide H48 Grey - Room

In this review of the Cordless Blackout Cellular Window Shade the bottom line is simple: this shade is best for people who need effective light blocking and a neat, cordless look in bedrooms or small windows. The reviewer found the built-in blackout liner and 1.19 in honeycomb cells deliver solid room darkening and thermal benefit without bulky hardware, and the upgraded spring system makes raising and lowering smoother over time. Installation is straightforward when measurements are correct, making it a practical choice for DIY home updates.

Key Features

• Blackout liner: The integrated blackout layer blocks light and harmful UV rays for better sleep or media rooms.
• Honeycomb insulation: The 1.19 in cellular structure helps reduce heat transfer so rooms stay cooler in summer and warmer in winter.
• Cordless design: The bottom tab operation removes dangling cords for a cleaner look and improved child safety.
• Upgraded spring system: The constant-force spring winder lifts and lowers the shade smoothly and keeps the panel balanced to reduce rebound or sag.
• Flexible mounting: Can be mounted inside or outside the window frame to suit different frame depths and coverage needs.
• Custom sizing: Multiple color and size options are available to match interior styles and fit a range of window openings.

Who It's For

This shade fits homeowners or renters looking for an affordable way to darken bedrooms, nurseries, or small hallway windows with a neat cordless appearance. It suits people who value energy savings from insulated cellular construction and who want an uncomplicated install for standard window frames.

It is less appropriate for very large or unusually shaped windows where a single 20 in wide panel will not cover the opening. Also, buyers who prefer motorized or remote control operation should look elsewhere, since this model relies on the manual bottom-tab and spring system.

Pros & Cons

Pros

• Effective light blocking and UV protection thanks to the blackout liner.
• Thermal benefits from the 1.19 in honeycomb cell design lower heat transfer seasonally.
• Cordless bottom-tab control is safer for homes with children and gives a clean appearance.
• Upgraded spring-loading system helps the shade move smoothly and stay balanced over time.

Cons

• Some users report differing ease of sliding up and down, so the feel can vary by installation or window fit.
• Not ideal for very wide windows without ordering multiple panels or a different size option.

Specifications

Brand	MYshade
Style	Cordless blackout honeycomb cellular shade
Width	20 in (model shown)
Length	H48 (48 in)
Cell size	1.19 in honeycomb
Mounting	Inside or outside window frame
Operation	Bottom tab cordless with upgraded spring system

Our Verdict

The MYshade cordless blackout cellular shade is a practical, value-minded option for anyone who needs dependable room darkening and modest thermal benefits in bedrooms or small windows. It installs easily when measured correctly, eliminates hazardous cords, and the upgraded spring system improves long-term usability, making it a sensible buy for most homes that need a manual, cordless blackout solution.

Frequently Asked Questions

What depth is required for an inside mount?
The inside mount needs at least 2 in of window frame depth to fit the cordless cellular blind properly.

How much smaller should the shade be than the window width?
For inside mounts the blackout shade width should be about 1/4 in less than the window opening to ensure smooth operation.

Can these shades be mounted outside the frame for more coverage?
Yes. For outside mounting plan about 4 in extra width and length for better light coverage and overlap.