circular knitting needles size 4
Skip itSoft demand (-45.7% this quarter) — this niche doesn't clear our bar today.
Conversion
Incredible13.4%search→purchase rate — share of searches ending in a sale
Returns
Great1.9%return rate — above 5% kills the launch gate
Review moat
Good831.72avg incumbent reviews — the moat a new listing must climb
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Avg price
Okay$10.36avg listing price — sweet spot $15–$100
Price range
Okay$5.38–$19.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$38K$38K/yr · 28K searches
Growth
Bad-45.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, circular knitting needles size 4 is a $38K/yr Amazon United States market (28K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 39/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
circular knitting needles size 4 market data
- Units sold / yr
- 4K–5K
- avg 100–250/product
- Revenue / yr
- $41K–$52K
- units × avg price
- Conversion rate
- 13.4%
- Avg BSR
- #204
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 81%
- Out of stock
- 4.0%
- Avg brand age
- 56 months
- Avg seller age
- 187 days
Competition & brand share
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
14 rising
Sellers
62
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
54%
Top 20: 90%
Open market
10%
- Clover29%
- ChiaoGoo25%
- forebile23%
- Mdoker5%
- KnitPro4%
- BsHooker4%
- Open — no brand owns it (8 brands, 10%)
Demand
Weekly Amazon search volume, last 21 weeks — -45.7% search growth over the last 90 days.Top circular knitting needles size 4 search terms
- circular knitting needles size 45K/yr
- size 4 knitting needles4K/yr
- size 4 circular knitting needles3K/yr
- knitting needles size 43K/yr
- 3.5 mm knitting needles circular3K/yr
- size 4 knitting needles circular3K/yr
- us 4 circular knitting needles3K/yr
- size 4 circular knitting needles 16 inch2K/yr
Top circular knitting needles size 4 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
Size 4 Stainless Steel Circular Knitting Needles 16 Inch 3.5 mm Set Round Metal (Silver 16 inch-4-(3.5mm))
forebile$6.094.6★334 rev

Clover Takumi Bamboo Circular Knitting Needles 24-inch-Size 4/3.5mm Other Multicoloured 2.5 x 9.36 x 23.18 cm
Clover$8.254.7★395 rev

Clover 3016/16-04 Takumi Bamboo Circular 16-Inch Knitting Needles Size 4
Clover$8.384.8★379 rev

ChiaoGoo SS Red Lace Circular 40-Inch (100 cm) US 4 (3.5 mm)
ChiaoGoo$13.904.8★7,678 rev

Size 4/3.5mm Circular Knitting Needles 40 Inch/100cm Knitting Needles for Beginners Metal Round Knitting Needle Set with 9 Yarn Needle (Blue 40-inch-US-4(3.5mm))
forebile$7.984.6★117 rev
Newest
by launch date
Circular Knitting Needles 16 inch (40cm) - US Size 4 (3.5mm) Stainless Steel Round Knitting Needles for Hats Socks & Baby Booties
Stithoo$5.3825 rev

Soosui 3.5mm Circular Knitting Needles US4|32 inches/80 Centimeters Long | Circular Knitting Needle Made of Metal Suitable for Weaving Scarves Blankets etc.
Soosui$6.0197 rev

Size 4/3.5mm Circular Knitting Needles 40 Inch/100cm Knitting Needles for Beginners Metal Round Knitting Needle Set with 9 Yarn Needle (Blue 40-inch-US-4(3.5mm))
forebile$7.98117 rev

Aolfior Stainless Steel Circular Knitting Needles Size 4 16 Inch 3.5 mm Set Round Metal (Silver 16 inch-4-(3.5mm)) Suitable for Beginners and Experienced Knitters Alike.
Aolfior$5.92109 rev

HARFINGTON Size US 4 (3.5mm) Bamboo Circular Knitting Needle 32 inch Round Carbonized Wooden Needle for Handmade Projects DIY Knitting Blankets Socks Hats Sweaters
HARFINGTON$6.55122 rev
Trending
90-day click momentum
Circular Knitting Needles 16 inch (40cm) - US Size 4 (3.5mm) Stainless Steel Round Knitting Needles for Hats Socks & Baby Booties
Stithoo$5.384.8★

HARFINGTON Size US 4 (3.5mm) Bamboo Circular Knitting Needle 32 inch Round Carbonized Wooden Needle for Handmade Projects DIY Knitting Blankets Socks Hats Sweaters
HARFINGTON$6.554.2★

Mdoker Bamboo Knitting Needle Straight Single Pointed Sweater Knitting Needles 13.8-inch Length for Handmade DIY Knitting Projects Size US 4(3.5mm)
Mdoker$6.344.0★

KnitPro Dreamz Interchangeable Circular Needles 5 (13cm) | US Size 4 (3.5mm)
KnitPro$11.784.5★

ChiaoGoo SS Red Lace Circular 32-Inch (80 cm) US 4 (3.5 mm)
ChiaoGoo$13.504.8★
What buyers say about circular knitting needles size 4
What buyers praise and complain about, mined from review topics.What buyers love
“Very well made”
“As advertised”
“Smooth stitching”
“Until now it was quite nice, smooth”
“Easy To Use”
“Awesome knitting needles”
“Right size”
“Slide well”
“I have never had one fail or break”
“Great value”
What buyers complain about
“Broke immediately”
“Wrongly sized”
“They are rough in the ends”
“it appears to be a cheap product”
Top return reasons
Common questions
- Is circular knitting needles size 4 profitable to sell on Amazon United States?
- The niche generates $38K/yr across 32 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -45.7%. Flapen's verdict: Skip it (39/100).
- How competitive is the circular knitting needles size 4 niche?
- 14 brands and 62 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in circular knitting needles size 4?
- Top complaints mined from reviews: Durability, Size-Overall, Hard Feel. The return rate is 1.9%.
- What does it cost to enter the circular knitting needles size 4 niche?
- Listings span $5.38–$19.96; the average listing price is $10.36 (sweet spot $15–$100). The average incumbent carries 832 reviews — the moat a new listing must climb.