Cordless Cellular Blackout Shades 20in x 48in Dark Grey - Privacy

In this review we look at the LazBlinds cordless cellular blackout shades and why they deserve consideration for bedrooms and other rooms where light control and insulation matter most. The single biggest reason to buy is the real blackout performance combined with a cordless design that creates a dark, safe environment for children and pets while also reducing heat transfer and outside noise. Installation choices for inside or outside mount and adjustable height up to 48in make these shades a flexible solution for standard windows.

Key Features

• Real blackout lining: The silver-plated layer inside each cell blocks sunlight and UV rays to provide a true dark room for daytime sleeping.
• Cordless operation: The cord-free design keeps window treatments tidy and safer around children and pets while offering simple raise and lower control.
• Thermal insulation: The 3/5in honeycomb cell structure reduces heat transfer to help keep rooms cooler in summer and warmer in winter.
• Noise reduction: The cellular construction dampens outside sound, improving sleep and concentration in bedrooms or home offices.
• Flexible fit options: Choose inside mount by matching window width or outside mount by adding 3-5in for better coverage, with height adjustable up to 48in.
• Customization and support: Custom sizing is available and customer support promises a response within 24 hours for questions about purchase or installation.

Who It's For

These shades are best for people who need dependable darkness and improved thermal performance in bedrooms, nurseries, or media rooms; the true blackout lining makes them especially suitable for shift workers or daytime sleepers. Families with young children or pets will appreciate the cordless design that reduces entanglement hazards while still offering easy manual operation.

Shoppers who need very deep inside frames should confirm a minimum 1 2/5in depth for inside mount; those seeking motorized, patterned, or light-filtering options rather than full blackout should look at alternative products better suited to decorative or automated installations.

Pros & Cons

Pros

• Effective light blockage creates true darkness for better sleep and media viewing.
• Easy installation and a clean, professional look that customers say fits well and looks great.
• Insulating honeycomb design helps with energy efficiency and reduces outside noise.
• Cordless design improves safety and provides a tidy appearance.

Cons

• Inside mount requires a minimum frame depth of 1 2/5in, which may rule out very shallow frames.
• Manual cordless operation may not suit buyers who want motorized convenience.

Specifications

Brand	LazBlinds
Product type	Cordless cellular blackout shades
Size	20in W x 48in H (height adjustable)
Color	Dark grey
Cell structure	3/5in honeycomb
Mount options	Inside mount (match or slightly less width) or outside mount (width +3-5in)
Special features	Silver-plated blackout layer, cordless design, thermal and noise insulation

Our Verdict

The LazBlinds cordless cellular blackout shades are a practical, value-oriented choice for anyone prioritizing complete light control, safety, and insulation. They deliver solid blackout performance, a neat cordless look, and measurable thermal and acoustic benefits, making them a smart buy for bedrooms and nurseries; just confirm frame depth for inside mounting and consider other models if you need motorization or decorative translucence.

Frequently Asked Questions

Can these shades be used for inside and outside mounts?
Yes; order the same or slightly smaller width for inside mount and add about 3-5in to window width for outside mount to improve coverage.

Do they really block daylight?
Yes; the silver-plated layer inside the cells is designed to provide true blackout and block UV rays for a dark room.

Is the cordless design safe for homes with children?
Yes; the cord-free operation reduces entanglement risk and is a safer option for households with kids and pets.