Cordless Cellular Shades Blackout 27 in x 64 in - No Tools No Drill

Our review of these cordless cellular shades finds them ideal for renters and homeowners who want true blackout and simple installation. The No Tools-No Drill system makes setup fast and damage-free for an inside mount window sized 27 in x 64 in, and the cordless design improves safety around children and pets. The single biggest reason to buy is the combination of real blackout performance and an easy, screw-free install that still fits tightly thanks to a spring rod and a 3/8 in factory deduction for inside mounting.

Key Features

• Inside mount precision: A standard 3/8 in deduction gives an actual blind width of 26 5/8 in so the shade fits a 27 in window without rubbing.
• No Tools-No Drill system: Patented installation requires no screws or brackets, so the shade installs in about 30 seconds and leaves the frame intact.
• Cordless operation: The cord-free lift creates a clean look and lowers entanglement risk for children and pets while moving smoothly up and down.
• Thermal honeycomb design: The cellular structure traps air to reduce heat transfer and adds sound dampening for a more comfortable room.
• Real blackout layer: A silver-plated interior blocks sunlight and UV for a dark sleeping environment during the day.
• Flexible fit range: The internal spring rod can extend about 1 in total so the shade accommodates slight window size variation.

Who It's For

This cellular shade is a strong pick for renters, landlords, and home buyers who do not want to drill into window frames but still need blackout light blocking. It works well for bedrooms, nurseries, and media rooms where light control and sleep-friendly darkness are priorities.

Those who should look elsewhere are people needing motorized, top-down bottom-up, or outside-mount shades larger than the specified size range, or homeowners who prefer decorative drapery instead of a minimal cellular look.

Pros & Cons

Pros

• Fast, tool-free installation that keeps the window frame unaltered and supports the shade securely.
• Effective blackout performance due to the silver-plated cell lining, improving daytime sleep and privacy.
• Cordless design provides a tidy appearance and safer environment for homes with children or pets.
• Honeycomb cells offer noticeable insulation and noise reduction compared with single-layer blinds.

Cons

• Designed as an inside-mount with a specific width deduction, so accurate measurement is required to ensure a proper fit.
• Not adjustable to sizes far outside the listed fit range; custom sizing or outside-mount options are not provided.

Specifications

Brand	LazBlinds
Designed window size	27 in W x 64 in H
Actual blind size	26 5/8 in W x 64 in H
Fit range	Adjustable to approximately W26.7 in - 27.6 in x H64 in
Mount type	Inside mount (3/8 in deduction applied)
Operation	Cordless lift
Light control	Real blackout with silver-plated cell lining

Our Verdict

These cordless cellular shades are a practical, value-focused choice for anyone who needs authentic blackout and a no-drill installation. They combine safety, thermal insulation, and neat cordless operation, making them especially worthwhile for renters and families who want fast setup and strong light blocking without altering window frames.

Frequently Asked Questions

Will this fit a 27 in wide inside window?
Yes; the blind measures 26 5/8 in wide after a standard 3/8 in deduction and is intended to fit a 27 in W x 64 in H inside mount.

Does installation require drilling?
No; the patented No Tools-No Drill system installs without screws or brackets and is designed to be set up in about 30 seconds.

Are these shades truly blackout?
Yes; the interior silver-plated layer inside the cells blocks sunlight and UV to create a dark environment suitable for daytime sleeping.