polyvance
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Good2.1%return rate — above 5% kills the launch gate
Avg price
Good$107.62avg listing price — sweet spot $15–$100
Review moat
Good979.12avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
Growth
Bad-9.9%90-day search growth — must beat 0% to launch
Price range
Bad$21.11–$556.38cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$23K$23K/yr · 12K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, polyvance is a $23K/yr Amazon United States market (12K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 32/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
polyvance market data
- Units sold / yr
- 250–500
- avg 0–100/product
- Revenue / yr
- $27K–$54K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #268
- Page quality
- 0%
- Prime
- 76%
- Sponsored
- 53%
- Out of stock
- 1.4%
- Avg brand age
- 50 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
5 falling
Sellers
36
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
0%
- Polyvance81%
- JOUNJIP8%
- RX WELD5%
- VCTSELITY4%
- ATOLS2%
- Open — no brand owns it (0%)
Demand
Weekly Amazon search volume, last 13 weeks — -9.9% search growth over the last 90 days.Top polyvance search terms
- polyvance6K/yr
- polyvance plastic welding kit3K/yr
- polyvance plastic welder3K/yr
Top polyvance 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 17 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Polyvance 5700HT Mini Weld Model 7 Airless Plastic Welder Red
Polyvance$216.574.6★462 rev
Polyvance PolyPro Plastic Welder
Polyvance$77.394.2★13 rev
Polyvance Mini-Fuzer Hot Air Plastic Welding Station
Polyvance$556.383.6★9 rev
Polyvance Padded Dash Filler for Vinyl and Plastics
Polyvance$30.344.3★382 rev
JOUNJIP Plastic Welding Kit Deluxe -UL Certified Plastic Welder 80W Iron- Professional Grade Plastic Repair Kit for Automotive Car Bumper Kayak Tank Repair
JOUNJIP$61.204.5★668 rev
Newest
by launch date
Polyvance Airless Plastic Welder Welding Tip Assortment
Polyvance$78.991 rev
RX WELD 2-in-1 Plastic Welder 1000PCS Hot Stapler Repair Kit
RX WELD$38.62758 rev
RX WELD Deluxe 2 in 1 Plastic Welder Welding Repair Kit
RX WELD$68.27151 rev
Polyvance Mini-Fuzer Hot Air Plastic Welding Station
Polyvance$556.389 rev
JOUNJIP Plastic Welding Kit Deluxe -UL Certified Plastic Welder 80W Iron- Professional Grade Plastic Repair Kit for Automotive Car Bumper Kayak Tank Repair
JOUNJIP$61.20668 rev
Trending
90-day click momentum
Polyvance Nylon Plastic Radiator Tank Repair Kit with 200-Watt Airless Welder
Polyvance$81.804.1★
JOUNJIP Standard Plastic Welding Kit- UL Certified Welder 80W- Professional Grade Plastic Repair Kit for Automotive Car Bumper Kayak Tank Repair
JOUNJIP$35.924.5★
RX WELD 2-in-1 Plastic Welder 1000PCS Hot Stapler Repair Kit
RX WELD$38.624.6★
Polyvance PlastiFix High Performance Adhesive
Polyvance$56.364.1★
ATOLS Upgraded Plastic Welder 1000PCS Staples Pure Copper Transformer Rapid Heating Plastic Welding Kit Hot Stapler Kit Plastic Welder Gun Kit Car Bumper Repair Kit Plastic Repair Kit(Red)
ATOLS$21.114.6★
What buyers say about polyvance
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to use”
“Great Value”
“Excellent Product”
“Product is as advertised”
“Gets the job done”
“Works Well Enough for Most Repairs”
“Heats up well”
“Good for plastic”
“All the repairs I made are strong and functional”
“this thing DOES THE JOB”
What buyers complain about
“it just would not heat up”
“Low quality”
“only half works”
“Didnt even last me 30 minutes”
“cheap looking material”
“takes some practice to get used to using it”
“If you're repairing anything other than a tiny little spot it won't work”
“its small”
“Returned- missing parts and was broken”
“one of the clips isn't even there and it looks like it was purchased previously, and returned”
Top return reasons
Common questions
- Is polyvance profitable to sell on Amazon United States?
- The niche generates $23K/yr across 17 tracked products. 90-day search growth is -9.9%. Flapen's verdict: Skip it (32/100).
- How competitive is the polyvance niche?
- 5 brands and 36 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in polyvance?
- Top complaints mined from reviews: Heating, Quality-Overall, Functionality-Overall. The return rate is 2.1%.
- What does it cost to enter the polyvance niche?
- Listings span $21.11–$556.38; the average listing price is $107.62 (sweet spot $15–$100). The average incumbent carries 979 reviews — the moat a new listing must climb.