---
title: "Magnetic Blackout Window Cover — $300K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/magnetic-blackout-window-cover"
last_updated: "2026-08-10T23:29:49.292Z"
locale: en
meta:
description: "Niche score 58/100 · $300K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
"og:description": "Niche score 58/100 · $300K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Aug 2026."
"og:title": "Magnetic Blackout Window Cover — $300K/yr Amazon US Niche (2026) - Flapen"
---
# **magnetic blackout window cover**
**Worth a look**
Shows a sweet-spot price point ($20.93 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 51Growth 73Conversion 37Competition 60Returns 28Price range 77Avg price 90Brand share 74Review moat 25Quality gap 67
**Avg price**
**Great****$20.93**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$7.22–$41.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****61%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+57.4%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****49%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Good****$300K**
$300K/yr · 488K searches
**Conversion**
**Okay****2.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****4.8%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****3,993.15**
avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, magnetic blackout window cover is a $300K/yr Amazon United States market (488K searches/yr). The top 5 brands hold 61% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 58/100.
Data updated Aug 3, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **magnetic blackout window cover market data**
- **Units sold / yr**
- **13K–15K**
- avg 500–750/product
- **Revenue / yr**
- **$262K–$314K**
- units × avg price
- **Conversion rate**
- **2.9%**
- **Avg BSR**
- **#229**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**21 **▲rising
**Sellers**
**27**
**Top-5 brand share**
**61%**
Top 20: 99%
**Top-5 click share**
**49%**
Top 20: 92%
**Open market**
**35%**
- Amazon Basics28% - BKSAI13% - NIGHTON7% - Petaholic7% - Sumobaby6% - SUN AWAY4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +57.4% search growth over the last 90 days.
18K13KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul · busiest ÷ quietest = 4.5×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/magnetic-blackout-window-cover/trend)
## **Top magnetic blackout window cover search terms**
- **portable blackout curtains**124K/yr+91.7%3.1% conv. - **magnetic blackout window cover**53K/yr+71.5%1.9% conv. - **velcro blackout curtains**47K/yr+59.4%1.6% conv. - **window light blocker**35K/yr+38.7%0.9% conv. - **magnetic blackout curtains**32K/yr+40.7%1.3% conv. - **sleepout blackout curtain**16K/yr+138.4%0.9% conv. - **sleep out blackout curtains**12K/yr+113.2%1.1% conv. - **magnetic window cover**32K/yr-11.4%0.7% conv. - **portable travel blackout curtains**19K/yr-31.9%2.0% conv. - **portable blackout shades**15K/yr+66.5%2.0% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/magnetic-blackout-window-cover/search-terms)
## **Top magnetic blackout window cover products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$15K10%$30K15%$45K20%$60K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Amazon Basics Portable Room Darkening Blackout Curtain Shade with Suction Cups Noise Reduction 50W x 78L Moon and Stars 1-Pack**Amazon Basics**$20.22**4.4★16,181 rev](https://www.amazon.com/dp/B071YVLK63) [2**BKSAI 100% Blackout Curtains for Bedroom Magnetic Portable Blackout Shades for Travel Black Out Window Cover No Drill Cuttable for Bedroom Nursery Media Room RV 39x57 inch**BKSAI**$18.06**4.1★2,772 rev](https://www.amazon.com/dp/B0CTKLYMFK) [3**NIGHTON Portable Blackout Curtains 4060 Strong Hook and Loop Tape Strips with Adhesive Cuttable Blackout Window Cover 100% Black Out Material Blinds for Baby Nursery or Travel - Black**NIGHTON**$18.57**4.3★2,529 rev](https://www.amazon.com/dp/B0B5Z16FCY) [4**Petaholic 100% Blackout Curtains for Bedroom Portable DIY Window Blinds No Drill Window Shades & Blackout Blinds with Stickers & Tabs for Travel Dorm Room Media Room (118 x 57)**Petaholic**$21.66**4.4★3,415 rev](https://www.amazon.com/dp/B0B9SFY685) [5**SUN AWAY Portable Blackout Curtain with Suction Cups - Premium Easy Install Shade No Tools Required - Temporary Blinds Perfect for Baby Nursery or Dorm Room - with Travel Bag (66 Long x 51 Wide)**SUN AWAY**$36.24**4.5★1,199 rev](https://www.amazon.com/dp/B082GGGM2Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Magnetic Blackout Window Cover with Strong Magnets 45 x 58 Portable Blackout Curtains for Bedroom No Drill Black Out Blinds & Temporary Black Out Shades for Windows Film RV Travel Skylight-Blacks**Esteh**$19.33**487 rev7mo ago](https://www.amazon.com/dp/B0G1MT67QR) [**Black Out Window Cover Portable Blacout Curtain for Bedroom Blackout Blinds No Drill Cuttable Blackout Shades Adhesive Thermal Portable Temporary Darkening Kitchen Travel Skylight RV Dorm 40x57 inch**ZUNGOUMC**$7.22**1,550 rev1y ago](https://www.amazon.com/dp/B0F9WL8CVW) [**100% Blackout Curtains Portable No Drill Window Shades DIY Blackout Window Cover with Hook and Loop for Bedroom Baby Nursery Travel DormRoom Apartment (42 x 60)**LEIYER**$15.81**219 rev1y ago](https://www.amazon.com/dp/B0F83C97J8) [**Portable Blackout Curtains for Bedroom Easy Install No Drill Blackout Shades&Blinds for Indoor Windows with Upgraded Hook&Loop Tapes 100% Black Out Window Cover for Nursery/Travel/Dorm (42x60Black)**HEMRLY**$16.36**309 rev1y ago](https://www.amazon.com/dp/B0F6YF245L) [**JUJIBL Magnetic Blackout Window Cover 100% Blackout Shades for Bedroom No Drill Black Out Window Blind Temporary Shades for Nursery Removable Black Out Curtains for RV Media Room 39x57 inch**JUJIBL**$12.74**231 rev1y ago](https://www.amazon.com/dp/B0F5HQ5NP4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Adhesive Blackout Curtains- Self Stick Shades Window Blinds Curtains No Rod Needed Easy to Hang Curtains Use for Bedroom Living Room Dining Room Kitchen Home Office 35W X 59L Black 1 Panel**Sovtfides**$10.53**4.4★**▲ 108%**](https://www.amazon.com/dp/B0DRFBTSNX) [**Magnetic Blackout Window Cover with Strong Magnets 45 x 58 Portable Blackout Curtains for Bedroom No Drill Black Out Blinds & Temporary Black Out Shades for Windows Film RV Travel Skylight-Blacks**Esteh**$19.33**4.3★**▲ 77%**](https://www.amazon.com/dp/B0G1MT67QR) [**NIGHTON Portable Blackout Curtains 4060 Strong Hook and Loop Tape Strips with Adhesive Cuttable Blackout Window Cover 100% Black Out Material Blinds for Baby Nursery or Travel - Black**NIGHTON**$18.57**4.3★**▲ 63%**](https://www.amazon.com/dp/B0B5Z16FCY) [**Amazon Basics Portable Blackout Curtain Shade with Suction Cups for Window Noise Reducing Energy Saving 50W x 78L Moon and Stars 2-Pack**Amazon Basics**$39.63**4.4★**▲ 57%**](https://www.amazon.com/dp/B082XSZHBS) [**Portable Blackout Curtains for Bedroom Easy Install No Drill Blackout Shades&Blinds for Indoor Windows with Upgraded Hook&Loop Tapes 100% Black Out Window Cover for Nursery/Travel/Dorm (42x60Black)**HEMRLY**$16.36**4.2★**▲ 57%**](https://www.amazon.com/dp/B0F6YF245L)
**~~View all trending →~~**
## **What buyers say about magnetic blackout window cover**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**18%
*“Easiest install ever”*
**Quality-Overall**10%
*“Great product, arrived as advertised”*
**Ease Of Use**9%
*“Easy to Use”*
**Value For Money**8%
*“Well worth it”*
**Advertised Vs Actual Product**7%
*“As Advertised”*
**Sleep Quality**5%
*“it really helps with sleep”*
**Efficiency**5%
*“Works very well”*
**Material Quality**3%
*“Beautiful material”*
**Velcro Quality**3%
*“Velcros works well”*
**Size-Overall**3%
*“Perfect fit”*
### **What buyers complain about **
**Smell**11%
*“Bad smell”*
**Adhesion/Stickiness**10%
*“Bad adhesive”*
**Size-Overall**8%
*“Too short”*
**Suction**7%
*“Dont suction”*
**Quality-Overall**6%
*“Cheap garbage”*
**Heating**5%
*“Totally blocks heat”*
**Material Quality**5%
*“Flimsy material”*
**Functionality-Overall**3%
*“Wouldnt stay in windows”*
**Value For Money**3%
*“overpriced and doesn't work”*
**Magnetic Strength/Adsorption**2%
*“magnets are weak”*
### **Top return reasons **
**Size-Overall**30%
**Suction**10%
**Material Quality**7%
**Smell**7%
**Adhesion/Stickiness**7%
**Functionality-Overall**6%
**Advertised Vs Actual Product**6%
**Quality-Overall**4%
**Value For Money**4%
**Thin**3%
## **Common questions**
- **Is magnetic blackout window cover profitable to sell on Amazon United States?**
- The niche generates $300K/yr across 26 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +57.4%. Flapen's verdict: Worth a look (58/100).
- **How competitive is the magnetic blackout window cover niche?**
- 21 brands and 27 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 61% of demand.
- **What do buyers complain about in magnetic blackout window cover?**
- Top complaints mined from reviews: Smell, Adhesion/Stickiness, Size-Overall. The return rate is 4.8%.
- **When does demand for magnetic blackout window cover peak?**
- Demand peaks in May–Jun–Jul; the busiest month runs 4.5× the quietest.
- **What does it cost to enter the magnetic blackout window cover niche?**
- Listings span $7.22–$41.31; the average listing price is $20.93 (sweet spot $15–$100). The average incumbent carries 3,993 reviews — the moat a new listing must climb.
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