Blackout-Black 21.5 in x 64 in Cellular Shades - Cordless Easy Install

In this review the Blackout-Black 21.5 in x 64 in cellular shades are evaluated for renters, shift workers, and anyone wanting true room-darkening without tools. The bottom line: these cordless honeycomb blinds deliver reliable blackout performance and fast, damage-free installation, making them ideal for bedrooms, nurseries, and apartments. The reviewer found the single biggest reason to buy is the combination of effective light blocking and a no-drill installation that takes about 30 seconds per window.

Key Features

• 30-Second Installation: A no-drill, no-screws system installs quickly without tools or wall damage, ideal for renters and quick updates.
• Blackout and Energy Saving: Honeycomb insulation traps air to reduce heat transfer and block sunlight, helping maintain comfortable indoor temperatures.
• Safe Cordless System: The cordless, spring-operated lift provides a quiet glide and removes cord hazards for children and pets.
• Excellent Durability: A lamellar spring system and rust-proof aluminum frame are lab-tested for 10,000+ lifts and resist peeling or cracking.
• Custom Fit Option: Widths are trimmed 3mm by default for a precise fit and custom sizing is available on request to match window dimensions.
• Noise Reduction: The cellular design dampens outside sounds for improved privacy and quieter rooms.

Who It's For

These shades suit renters, apartment dwellers, and homeowners who need reliable blackout performance without drilling into frames or walls. They are especially good for people who require dark sleeping conditions such as night shift workers, light-sensitive sleepers, or those creating a home theater environment.

Shoppers who prioritize an exact factory fit and a completely cordless look will like this model; however, those needing motorized operation or very wide continuous-width treatments should consider other solutions, since this product is built for manual cordless use and individual window sizing.

Pros & Cons

Pros

• True blackout fabric with cellular insulation effectively blocks light and helps reduce heat transfer.
• Quick, damage-free installation requires no drills or screws and installs in about 30 seconds.
• Quiet, cordless spring mechanism is safer for homes with children and pets and operates smoothly.
• Durable construction with an aluminum frame and fabric rated for thousands of lifts.

Cons

• Some users reported mixed feelings about stability; while generally secure, very tall or wide installs may require careful measurement and confirmation.

Specifications

Product type	Cordless honeycomb cellular shade
Color	Blackout-Black
Size	21.5 in W x 64 in H
Installation	No drill, no screws, damage-free system
Operation	Cordless spring lift / quiet glide
Energy performance	Honeycomb insulation reduces heat transfer and blocks sunlight
Durability	Rust-proof aluminum frame, 10,000+ lift tests

Our Verdict

The Blackout-Black 21.5 in x 64 in cellular shade is a practical, cost-effective solution for anyone who needs reliable room darkening and easy, damage-free mounting. It offers solid durability, improved insulation, and the safety of a cordless system, making it good value for renters and homeowners who want a simple, quiet, and effective blackout treatment.

Frequently Asked Questions

Will these shades block streetlight and glare?
Yes, the blackout fabric and cellular design are intended to block sunlight and reduce glare for darker rooms.

Is drilling ever required for installation?
No; the product uses a no-drill mounting system designed to install without screws or holes in about 30 seconds.

Can I order a custom width or height?
Yes, custom sizing is available and the manufacturer trims width by 3mm by default for a precise fit; measurements are double-checked before production.