rainbow pla
Worth a lookShows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.1%return rate — above 5% kills the launch gate
Avg price
Great$22.18avg listing price — sweet spot $15–$100
Price range
Great$7.52–$57.51cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great35%top-5 click share — an open shelf
Conversion
Great7.4%search→purchase rate — share of searches ending in a sale
Brand share
Good60%top-5 brand share — brands hold most of the demand
Market size
Good$497K$497K/yr · 304K searches
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Okay2,202.72avg incumbent reviews — the moat a new listing must climb
Growth
Bad-25.2%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, rainbow pla is a $497K/yr Amazon United States market (304K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Worth a look — 63/100.
Data updated Aug 6, 2026 · scored weekly · How we score niches
rainbow pla market data
- Units sold / yr
- 20K–25K
- avg 250–500/product
- Revenue / yr
- $444K–$555K
- units × avg price
- Conversion rate
- 7.4%
- Avg BSR
- #127
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 98%
- Out of stock
- 1.8%
- Avg brand age
- 33 months
- Avg seller age
- 179 days
Competition & brand share
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.Brands
25 falling
Sellers
31
Top-5 brand share
60%
Top 20: 97%
Top-5 click share
35%
Top 20: 71%
Open market
36%
- SUNLU31%
- Creality15%
- Stronghero3D6%
- RAMBERY5%
- YOOPAI4%
- Geeetech4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -25.2% search growth over the last 90 days.Peak months: Jan, Feb, Dec · busiest ÷ quietest = 2.8×
Top rainbow pla search terms
- rainbow pla94K/yr
- rainbow pla filament57K/yr
- rainbow filament pla39K/yr
- pla rainbow14K/yr
- rainbow silk pla12K/yr
- sunlu multicolor pla filament9K/yr
- silk rainbow pla filament7K/yr
- sunlu rainbow filament5K/yr
- sunlu rainbow7K/yr
- sunlu rainbow pla10K/yr
Top rainbow pla 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SUNLU Silk Rainbow PLA Filament Multicolor Silk 3D Printer Filament 1.75mm +/- 0.02mm Fast Color Change Each 8 Meters 330 Meters 1kg/2.2lbs Silk Rainbow Filament(Pink-Yellow-Blue-Green)
SUNLU$20.744.5★4,513 rev
Creality 3D Printer Filament Rainbow PLA+ Filament 1.75mm Multicolor 1KG
Creality$20.934.4★884 rev
Creality 3D Printer Filament 1.75mm Rainbow Upgrade PLA+ Filament Strong Toughness No-Tangling Vacuum Packaging 3D Printing Filament Fit Most 3D Printers 1kg Spool Accuracy +/- 0.02mm Multi-Color
Creality$22.054.4★9,633 rev
RAMBERY Silk Rainbow 3D Printer Filament 1.75mm Multi-Color PLA Filament Fast Color Change Candy Color 3D Printing Filament 1kg Spool
RAMBERY$18.984.4★100 rev
SUNLU 4KG Rainbow PLA Filament Bundle Multicolor 4kg in Total
SUNLU$57.514.3★43 rev
Newest
by launch date
SUNLU Rainbow PLA Filament 1.75mm 1KG Spool(2.2 lbs) Rainbow PLA 01
SUNLU$22.3012 rev
SUNLU Rainbow PLA Filament 1.75mm 1KG Spool(2.2 lbs) Rainbow PLA 03
SUNLU$18.1617 rev
Stronghero3D PLA 3D Printer Filament Candy Silk Rainbow S3 Glossy Multi Color PLA Filament 1.75mm Net Weight 1kg(2.2lbs) Accuracy +/-0.05mm
Stronghero3D$18.7157 rev
SUNLU 4KG Rainbow PLA Filament Bundle Multicolor 4kg in Total
SUNLU$57.5143 rev
RAMBERY Silk Rainbow 3D Printer Filament 1.75mm Multi-Color PLA Filament Fast Color Change Candy Color 3D Printing Filament 1kg Spool
RAMBERY$18.98100 rev
Trending
90-day click momentum
SUNLU PLA Rainbow Filament Yellow-Green-Blue-Pink
SUNLU$20.114.4★
Geeetech Rainbow PLA Filament 1.75mm 3D Printer Multicolor Filament Color Changing Filament 1kg (2.2lbs) 1 Spool Dimensional Accuracy +/- 0.02 mm
Geeetech$19.474.4★
Stronghero3D PLA 3D Printer Filament Candy Silk Rainbow S3 Glossy Multi Color PLA Filament 1.75mm Net Weight 1kg(2.2lbs) Accuracy +/-0.05mm
Stronghero3D$18.714.3★
RAMBERY Silk Rainbow 3D Printer Filament 1.75mm Multi-Color PLA Filament Fast Color Change Candy Color 3D Printing Filament 1kg Spool
RAMBERY$18.984.4★
SUNLU Rainbow PLA Filament 1.75mm 1KG Spool(2.2 lbs) Rainbow PLA 01
SUNLU$22.304.9★
What buyers say about rainbow pla
What buyers praise and complain about, mined from review topics.What buyers love
“Colors are amazing”
“Excellent product”
“Excellent Quality Filament – Smooth, Reliable, and Consistent”
“No issues with adhesion”
“Well worth the money”
“Works as needed”
“A lot of fun and it GLOWS”
“was easy to work with”
“Works Great with Bambu Lab A1”
“As advertised”
What buyers complain about
“Colors don't match”
“It does not print well”
“Crappy quality control”
“not as described”
“For some reason this stuff won't stick”
“it doesn't work well in it at all”
“When it arrived it is super small”
“Breaks Easily”
“Very brittle”
“not worth it”
Top return reasons
Common questions
- Is rainbow pla profitable to sell on Amazon United States?
- The niche generates $497K/yr across 50 tracked products. 2 of 8 products launched in the last 360 days are still selling. 90-day search growth is -25.2%. Flapen's verdict: Worth a look (63/100).
- How competitive is the rainbow pla niche?
- 25 brands and 31 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 60% of demand.
- What do buyers complain about in rainbow pla?
- Top complaints mined from reviews: Color, Print Quality, Quality-Overall. The return rate is 1.1%.
- When does demand for rainbow pla peak?
- Demand peaks in Jan–Feb–Dec; the busiest month runs 2.8× the quietest.
- What does it cost to enter the rainbow pla niche?
- Listings span $7.52–$57.51; the average listing price is $22.18 (sweet spot $15–$100). The average incumbent carries 2,203 reviews — the moat a new listing must climb.