screen spline
Skip itBrand-locked demand (top 5 brands take 93% of clicks) — this niche doesn't clear our bar today.
Conversion
Great10.4%search→purchase rate — share of searches ending in a sale
Growth
Good+45.2%90-day search growth — must beat 0% to launch
Returns
Good2.6%return rate — above 5% kills the launch gate
Review moat
Okay2,179.4avg incumbent reviews — the moat a new listing must climb
Market size
Okay$198K$198K/yr · 185K searches
Avg price
Okay$10.35avg listing price — sweet spot $15–$100
Price range
Okay$4.56–$20.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad73%top-5 click share — a locked-up shelf
Brand share
Bad93%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, screen spline is a $198K/yr Amazon United States market (185K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Apr–May–Jun. Verdict: Skip it — 44/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
screen spline market data
- Units sold / yr
- 15K–20K
- avg 750–1,000/product
- Revenue / yr
- $155K–$207K
- units × avg price
- Conversion rate
- 10.4%
- Avg BSR
- #6
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 5.6%
- Avg brand age
- 45 months
- Avg seller age
- 176 days
Competition & brand share
The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
25
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
73%
Top 20: 100%
Open market
3%
- FLYZZZ47%
- Lussgucc18%
- MEWTOGO11%
- PRIME-LINE9%
- Ysglory8%
- ADFORS4%
- Open — no brand owns it (2 brands, 3%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +45.2% search growth over the last 90 days.Peak months: Apr, May, Jun · busiest ÷ quietest = 3.4×
Top screen spline search terms
- screen spline62K/yr
- spline for window screen28K/yr
- window screen spline30K/yr
- spline22K/yr
- screen door spline7K/yr
- window spline8K/yr
- screen spline .1256K/yr
- screen door rubber strip4K/yr
- screen rubber spline3K/yr
- window screen rubber cord3K/yr
Top screen spline 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
FLYZZZ Screen Spline 0.140 (9/64) 100 ft | Common Size for Standard Windows | Please Confirm Your Size (See Guide in Image #2)
FLYZZZ$9.824.6★1,638 rev

FLYZZZ Screen Spline 0.125 (1/8) 100 ft | for Narrow Grooves ONLY | NOT for All Standard Windows (See Guide in Image #2)
FLYZZZ$9.804.6★1,638 rev

Lussgucc Screen Spline 0.125 x 100 for Narrow Grooves
Lussgucc$9.164.6★749 rev

Screen Repair Kit - 3 in 1 Screen Tools Including Roller 0.14in x 32.8ft Spline Removal Hook for Replacing & Installing Door Window Screens
MEWTOGO$9.824.7★541 rev

Window Screen Spline 250ft Screen Door Retainer Spline Black Window Screen Rubber Cord Repair Spline for Replacing & Installing Door Window Screens (0.125 Inch)
Ysglory$19.514.5★135 rev
Newest
by launch date
Furloroyal 100ft Window Screen Spline 0.125IN Screen Repair Spline Serrated Hollow Core PE Material for Window and Door Screen Mesh Replacement Spline for DIY Repair - Black
Furloroyal$7.594 rev

Saint-Gobain ADFORS Spline .125 inches x 100 feet - Durable Window and Door Screen Spline - Black
ADFORS$9.229,859 rev

Lussgucc Screen Spline 0.125 x 25 for Groove Width 0.115 -0.125
Lussgucc$6.79749 rev

Window Screen Spline 250ft Screen Door Retainer Spline Black Window Screen Rubber Cord Repair Spline for Replacing & Installing Door Window Screens (0.125 Inch)
Ysglory$19.51135 rev

Lussgucc Screen Spline 0.125 x 100 for Narrow Grooves
Lussgucc$9.16749 rev
Trending
90-day click momentum
Furloroyal 100ft Window Screen Spline 0.125IN Screen Repair Spline Serrated Hollow Core PE Material for Window and Door Screen Mesh Replacement Spline for DIY Repair - Black
Furloroyal$7.595.0★

Prime-Line P 7940 Bulk Screen Spline Black 0.185-In. Diameter
PRIME-LINE$4.984.6★

Lussgucc Screen Spline 0.125 x 25 for Groove Width 0.115 -0.125
Lussgucc$6.794.6★

Lussgucc Screen Spline 0.14 x 100 Common Size for Standard Windows
Lussgucc$9.714.6★

FLYZZZ Window Screen Spline 0.16 x 100 Screen Retainer Spline Suit for 0.157-0.169 Frames Chanel Round Black Used for Window/Door Screen Repair Replacement
FLYZZZ$13.084.6★
What buyers say about screen spline
What buyers praise and complain about, mined from review topics.What buyers love
“Ease of use”
“Excellent kit”
“made the installation process much smoother”
“Performed as advertised”
“Easy to follow directions”
“Good value”
“Perfect fit”
“Does the job”
“Very durable”
“It worked great for my screened in panels for my 30 year old screen house”
What buyers complain about
“the wrong size”
“Weak material”
“however screen is very cheap”
“POOR DISPLAY”
“False Advertising”
“The screen is not durable”
“It was very frustrating to find these defects after installation”
“Feels and looks heavy”
“To thin”
“dont stretch it too hard”
Top return reasons
Common questions
- Is screen spline profitable to sell on Amazon United States?
- The niche generates $198K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +45.2%. Flapen's verdict: Skip it (44/100).
- How competitive is the screen spline niche?
- 8 brands and 25 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in screen spline?
- Top complaints mined from reviews: Size-Overall, Material Quality, Quality-Overall. The return rate is 2.6%.
- When does demand for screen spline peak?
- Demand peaks in Apr–May–Jun; the busiest month runs 3.4× the quietest.
- What does it cost to enter the screen spline niche?
- Listings span $4.56–$20.62; the average listing price is $10.35 (sweet spot $15–$100). The average incumbent carries 2,179 reviews — the moat a new listing must climb.