black light string light
Skip itA small market ($22K/yr) — this niche doesn't clear our bar today.
Avg price
Great$17.16avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Good$7.89–$27.48cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,420.39avg incumbent reviews — the moat a new listing must climb
Growth
Good+21.7%90-day search growth — must beat 0% to launch
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Brand share
Okay77%top-5 brand share — brands hold most of the demand
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Returns
Okay4.5%return rate — above 5% kills the launch gate
Market size
Bad$22K$22K/yr · 51K searches
According to Flapen's Amazon United States niche tracking, black light string light is a $22K/yr Amazon United States market (51K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 44/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
black light string light market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $34K–$43K
- units × avg price
- Conversion rate
- 2.5%
- Avg BSR
- #344
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 13.1%
- Avg brand age
- 43 months
- Avg seller age
- 236 days
Competition & brand share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
19
Top-5 brand share
77%
Top 20: 100%
Top-5 click share
57%
Top 20: 97%
Open market
18%
- Solhice41%
- PIZHLO12%
- OMIKA10%
- Smacen9%
- THECHAM5%
- FULLBELL5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +21.7% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 5.3×
Top black light string light search terms
- black light string light11K/yr
- black light string lights19K/yr
- blacklight string lights10K/yr
- uv string lights5K/yr
- black light christmas lights6K/yr
Top black light string light 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.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Solhice 80ft Black Light String Lights for Glow Party 300 LEDs Blacklights Fairy Lights with Remote Plug in for Bedroom Birthday Party Indoor Dcor
Solhice$23.074.4★532 rev

Solhice Black Light Curtain String Lights for Glow Party 10ft x10ft 306 LEDs Blacklight with Remote Control for Halloween Bedroom Birthday Fluorescent Party Indoor Dcor
Solhice$21.934.3★211 rev

Solhice 60ft Black Light String Lights for Glow Party 240 LEDs Blacklights Fairy Lights with Remote Plug in for Bedroom Birthday Party Fluorescent Poster Indoor Dcor
Solhice$19.804.4★532 rev

PIZHLO 50 Foot Black Light Strips & Remote Dimmable Flexible Blackights Strip Lights for Glow Party Body Paint Birthday Bedroom Room Fluorescent Tapestry Poster Non-Waterproof 900 LEDs 50ft/15M
PIZHLO$17.424.2★1,720 rev

THECHAM 80ft Black Light Strip with Remote 1440 LEDs 12V Flexible Blacklights for Glow Party Adjust Brightness Delay Off 3 Light Modes Indoor Fluorescent Party Stage Lighting
THECHAM$27.484.4★826 rev
Newest
by launch date
PIZHLO 16.4 Foot Black Light Strips & Motion Sensor Dimmable Flexible Motion Sensing Blackights Strip Lights 300 LEDs for Glow Party Body Paint Birthday Bedroom Room Fluorescent Tapestry Poster
PIZHLO$14.427 rev

LAMPHOME LED Outdoor String Light 26Feet Patio Lights with 12+1 Edison Shatterproof Bulbs(1Spare) UL Waterproof Outside Lights connectable Dimmable for Backyard Porch Decor Purple
LAMPHOME$22.53152 rev

SHGPODA 50 Foot Black Light Strip & Remote 900LEDs Dimmable 12V Flexible Black Lights for Glow Party Bedroom Halloween Fluorescent Tapestry Poster 3 Lighting Modes Non-Waterproof
SHGPODA$17.513,058 rev

2 Pack 42W LED Black Light Bar Blacklight with 6FT Cord+Switch+Plug Glow in The Dark Black Lights Party Supplies for Halloween Decorations Fluorescent Poster Body Paint Classroom Bedroom
Linstaine$17.99750 rev

33ft Black Wire 100 LED Purple Fairy String Lights for Glow Halloween Party
FULLBELL$13.801,147 rev
Trending
90-day click momentum
PIZHLO 16.4 Foot Black Light Strips & Motion Sensor Dimmable Flexible Motion Sensing Blackights Strip Lights 300 LEDs for Glow Party Body Paint Birthday Bedroom Room Fluorescent Tapestry Poster
PIZHLO$14.423.2★

LAMPHOME LED Outdoor String Light 26Feet Patio Lights with 12+1 Edison Shatterproof Bulbs(1Spare) UL Waterproof Outside Lights connectable Dimmable for Backyard Porch Decor Purple
LAMPHOME$22.534.4★

LED UV Black Light Strip Kit 16.4FT/5M Ultraviolet Waterproof IP65 3528 300LEDs 395nm-405nm Blacklight for DJ Bar Club Party Decor Night Fishing with 12V Power Supply
LightingWill$19.774.2★

Battery Operated LED UV Black Lights 2 Pack 6.56ft 20LED UV Lamp Bead Flexible Blacklight Fixtures Purple Fairy String Lights for Mason Jar DIY Gift Fluorescent Glow Party Body Paint Halloween Dcor
OMIKA$9.914.3★

2 Pack 42W LED Black Light Bar Blacklight with 6FT Cord+Switch+Plug Glow in The Dark Black Lights Party Supplies for Halloween Decorations Fluorescent Poster Body Paint Classroom Bedroom
Linstaine$17.994.5★
What buyers say about black light string light
What buyers praise and complain about, mined from review topics.What buyers love
“These are bright”
“Worth the money”
“Quality is amazing”
“Works great”
“Works as advertised”
“Easy to use”
“Easy to set up”
“Good size”
“Powerful”
“They're extremely lightweight”
What buyers complain about
“No glow”
“doesn't last”
“Bad adhesive”
“The price is a little high for its quality”
“not a good fit for me”
“Incredibly dim which was surprising considering they're supposedly 36 watts”
“It already came to me a little clumsy right now its in the garbage”
“cannot work normally”
“The port where you plug it in, broke off”
“a small section didnt work”
Top return reasons
Common questions
- Is black light string light profitable to sell on Amazon United States?
- The niche generates $22K/yr across 23 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +21.7%. Flapen's verdict: Skip it (44/100).
- How competitive is the black light string light niche?
- 15 brands and 19 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 77% of demand.
- What do buyers complain about in black light string light?
- Top complaints mined from reviews: Brightness/Shine/Glow, Durability, Adhesion/Stickiness. The return rate is 4.5%.
- When does demand for black light string light peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 5.3× the quietest.
- What does it cost to enter the black light string light niche?
- Listings span $7.89–$27.48; the average listing price is $17.16 (sweet spot $15–$100). The average incumbent carries 1,420 reviews — the moat a new listing must climb.