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home > Pitch-Black Bedroom in 10 Seconds — Blackout + Thermal Curtain (KK1145) > Pitch-Black Bedroom in 10 Seconds — Blackout + Thermal Curtain (KK1145)

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Pitch-Black Bedroom in 10 Seconds — Blackout + Thermal Curtain (KK1145)Sleep deeper. Pay less for power. Hear less of the world outside. Most "blackout" curtains let light bleed through the seams. Most "soundproof" curtains barely soften an echo. The KK1145 is built for people who want all three jobs done at once total darkness, lower energy bills, and a quieter room without a contractor or a renovation. How it works Three layers of dense, tightly woven fabric stop light, slow heat transfer through the window, and absorb

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product description

Why choose thelockerguy wholesale?

Sleep deeper. Pay less for power. Hear less of the world outside.

Most "blackout" curtains let light bleed through the seams. Most "soundproof" curtains barely soften an echo. The KK1145 is built for people who want all three jobs done at once — total darkness, lower energy bills, and a quieter room — without a contractor or a renovation.

How it works

Three layers of dense, tightly woven fabric stop light, slow heat transfer through the window, and absorb mid-frequency sound reflections inside the room. Heavier than a standard blackout panel, lighter than acoustic theater drapes. Hangs on any standard curtain rod.

99.9%

Light blocked

Tested in a sealed bedroom at noon. The room reads pitch black to the human eye — ideal for shift workers, night-shift parents, and home theaters.

~25%

Energy savings

Thermal lining slows heat loss in winter and heat gain in summer. Independent studies on insulated curtains show heating & cooling savings up to 25%.

300K+

Customers worldwide

Used by podcasters, streamers, ASMR creators, and homeowners across 40+ countries. 4.85★ average across 33 verified reviews.

What the numbers actually mean for your room

Light: 99.9% blackout means you can fall asleep at noon. Use a wraparound rod and let the panel overlap the window frame by ~6 in (15 cm) on each side to seal the gap where most curtains leak light.
Sound: A heavy curtain like this dampens sound — it cuts echo and softens outside traffic noise. It is not a substitute for a sealed door or double glazing if you need full STC-rated soundproofing.
Heat: Thermal lining cuts the cold draft off cold windows in winter and the radiated heat in summer. Most users report a noticeably warmer room within an hour.

Sizes available (US & metric)

Size	Width × Height
Small	51 × 71 in / 130 × 180 cm / 1.3 × 1.8 m
Medium-Tall	51 × 106 in / 130 × 270 cm / 1.3 × 2.7 m
Wide	59 × 79 in / 150 × 200 cm / 1.5 × 2.0 m
Wide-Tall (most popular)	59 × 106 in / 150 × 270 cm / 1.5 × 2.7 m

Need a custom size? Email [email protected] with your window dimensions in inches or centimeters.

Specs at a glance

Light blocking	99.9% blackout (UV included)
Construction	Triple-layer woven fabric with thermal lining
Approx. weight (Wide-Tall)	~3.3 lb / 1.5 kg per panel
Header	Reinforced grommet top — fits rods up to 1.6 in / 40 mm
Fabric safety	Non-toxic, OEKO-tested
Care	Cold gentle wash, low tumble or hang dry

What's in the box

1 × Arrowzoom KK1145 blackout + thermal curtain panel (size and color you select)
Reinforced grommet header — fits any standard curtain rod up to 1.6 in / 40 mm
Care card with washing instructions (US & metric)

Install in 4 steps

1MeasureWindow width × height. Add 6 in (15 cm) on each side for full light seal.

2Pick rodUse a wraparound rod for best blackout — flat rods leak light at the sides.

3HangSlide the rod through the grommets. Two people make it faster, but one is fine.

4TestClose the curtain at midday. Room should be near-black within 10 seconds.

Made for

BedroomsHome theatersPodcast / ASMR studios Streaming setupsNurseriesShift workers Hotels & AirbnbsOffices & meeting rooms

Our 100-day guarantee

Hang it. Sleep behind it. If your room isn't darker, quieter, and warmer than before — send it back within 100 days for a refund.

Frequently asked questions (click to expand ▾)

Is this curtain truly soundproof?

It is sound-dampening, not soundproof. It reduces echo inside the room and softens outside noise like traffic, voices, and lawnmowers. For studio-grade soundproofing you'd also need to seal the door and treat the walls.

How much light does it actually block?

99.9% through the panel itself. To get total darkness, mount on a wraparound rod and let the panel overlap the window frame by ~6 in (15 cm) on each side — that closes the gap where most curtains leak light.

Will it really save up to 25% on energy?

Yes — up to 25% on heating and cooling, based on independent studies of insulated curtains. Real-world savings depend on your window, climate, and how much sun the room gets. The thermal lining is real either way — you'll feel the temperature shift within an hour of hanging it.

What size do I need? (US & metric)

Match width to your window plus 6 in (15 cm) on each side for full light seal. For length, floor-length panels block more light and look better than mid-length. If you're between sizes, go up. Need exact fit? Email [email protected].

How heavy is it? Will my rod hold it?

About 3.3 lb (1.5 kg) per panel for the Wide-Tall size — heavier than a standard blackout curtain because it's three layers thick. Use a metal rod (not plastic) and anchor brackets into a stud or with proper drywall anchors. A standard 1 in (25 mm) rod is fine.

Can I wash it?

Yes — cold gentle cycle, mild detergent, low tumble or hang dry. Don't bleach. Don't iron the thermal lining directly.

Is the fabric safe / non-toxic?

Yes. The fabric is OEKO-tested and free of harmful chemicals. Safe for nurseries, kids' rooms, and bedrooms.

How long does shipping take?

Standard US shipping is 5–10 business days. Free over $99. International shipping available at checkout — typically 7–14 business days depending on country.

Do you ship internationally?

Yes, we ship worldwide. Most customers are in the US, but we have customers across 40+ countries. International rates and ETA show at checkout once you enter your address.

What if it doesn't work in my room?

30-day returns. Hang it, test it, and if it isn't darker, quieter, and warmer than what you had — return for a refund. Email [email protected] to start.

Do you offer custom sizes?

Yes — email [email protected] with your window dimensions (in inches or cm) and we'll quote a custom panel.

Pitch-Black Bedroom in 10 Seconds — Blackout + Thermal Curtain (KK1145)

Name: Pitch-Black Bedroom in 10 Seconds — Blackout + Thermal Curtain (KK1145)
Brand: sudoshz.ir
SKU: 4022690928
Price: 58.00 USD
Availability: InStock
Rating: 4.8847000000000005 (968 reviews)