Slumblr® Magnetic Portable Blackout Window Shades
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Transform any window into a private pitch dark space instantly
🌙 100% blackout for deeper uninterrupted sleep
🌙 Magnetic fasteners make setup fast, clean and tool free
🌙 Lightweight portable design perfect for travel, rentals and offices
Made from polyester with a silver coated backing, these blackout shades block 100 percent of sunlight and UV rays.
The reflective layer helps control temperature while the front fabric creates a pitch dark space for better sleep and complete privacy.
The material is thinner than traditional curtains and may show slight creases, so pairing it with regular curtains is recommended if you prefer a smoother aesthetic.
We’re confident you’ll love our Slumblr items, but if you’re not satisfied for any reason, simply return it within 60 days for a full refund.
Plus, it includes a 1-year warranty, making it a completely risk-free purchase.
Every order from Slumblr ships FREE, no minimums or discount codes needed.
We believe better sleep should start without extra fees, so we cover all standard shipping costs for you.
✅ No hidden fees. No surprises. Just comfort, delivered.
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Questions? Chat with us or email support@slumblr.com
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Slumblr Promise: Every order is backed by our comfort guarantee because peace of mind should come as easily as a good night’s sleep.
Create Complete Darkness Anywhere In Seconds
Struggling With Light Leaking Through Blinds or Curtain?
Light intrusion disrupts sleep, ruins naps and makes bedrooms uncomfortable.
Traditional blackout panels are bulky, hard to install and not suitable for travel or temporary spaces.
Kids, shift workers and light sensitive sleepers struggle with early morning brightness.
Instant Blackout Made Simple
It gives you full darkness instantly using magnetic fasteners and adhesive metal boards.
Simply attach the metal plate to your window frame and the shade snaps securely into place.
Remove it just as easily and take it anywhere.
100% Blackout Performance
By blocking sunlight and UV rays, it creates a deep blackout setting that supports better rest and uninterrupted sleep.
Perfect for bedrooms, nurseries, offices and travel environments where blackout conditions matter.
100%
Blackout Fabric
100%
Hypoallergenic & Safe
100%
Breathable & Comfortable
Waterproof & Durable Polyester
Crafted from polyester with a silver grey reflective backing, the shade completely blocks sunlight and UV rays while helping stabilize room temperature.
The front panel creates a deep blackout effect for privacy and better sleep.
As Seen On
FAQs
1. Does it really block out 100% of sunlight?
Yes. Slumblr® Magnetic Portable Blackout Window Shades are designed with blackout Oxford fabric and a silver-coated backing to help block sunlight, UV rays, and outside glare.
When installed correctly and cut slightly larger than the window frame, the shade helps create a dark, private sleeping environment ideal for bedrooms, nurseries, RVs, media rooms, and daytime rest.
2. Is it easy to install and remove?
Yes. The shade is made for quick, no-drill installation using hook & loop tape on the top and magnetic fasteners along the sides and bottom.
Most setups can be completed in just a few minutes by following three simple steps: measure, cut, and attach. It can also be removed easily when not in use, making it convenient for renters, travelers, and temporary blackout needs.
3. Can I cut it to fit my window size?
Yes. The blackout shade can be cut into different sizes and shapes to fit standard windows, small windows, large windows, skylights, glass doors, RV windows, curved windows, and more.
For the best blackout effect, we recommend cutting the fabric slightly larger than your window so it fully covers the edges and helps reduce light gaps.
4. Will the magnets hold the shade securely?
The magnetic system is designed to help hold the shade firmly against the window frame. Each magnetic fastener works by placing the blackout fabric between the adhesive metal plate and the black magnetic board.
For best results, make sure the window frame is clean, dry, and smooth before applying the adhesive metal plates. Uneven, dusty, textured, or damp surfaces may reduce the strength of the attachment.
5. Does it help keep the room cooler?
Yes. The silver-coated backing helps reflect sunlight and reduce heat buildup from direct sun exposure.
This makes the shade useful for hot weather, sunny bedrooms, nurseries, RVs, offices, and rooms that get strong afternoon light. While it is not a replacement for full insulation, it can help create a darker and more comfortable indoor environment.
6. Is it durable for daily use?
The shade is made from lightweight Oxford fabric designed for repeated use, folding, cutting, installing, and removing.
To help extend its lifespan, avoid pulling aggressively on the adhesive areas, clean the frame before installation, and store the shade in the included storage bag when not in use. For long-term daily use, pairing it with traditional curtains can also improve both coverage and interior appearance.
7. Is it suitable for travel, RVs, or temporary rooms?
Yes. The shade is lightweight, foldable, cuttable, and portable, making it suitable for travel, RVs, campers, hotels, nurseries, rental apartments, and temporary sleep setups.
It is especially useful when you need a dark and private room without drilling holes or installing permanent curtains. The included storage bag also makes it easy to pack and reuse when needed.
Try Slumblr Risk-Free for 60 Days
We offer a 60-day guarantee to help you sleep better! We fully stand behind our product and believe we have the best product in the industry.
Try it. Install it in minutes. And, experience the difference yourself!
We’re happy to assist you with a product exchange to ensure you get the perfect fit
Slumblr's Fulfillment Center
