pen refills
Skip itPrices mostly outside the sweet spot ($3.42–$11.13) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Conversion
Incredible14.3%search→purchase rate — share of searches ending in a sale
Competition
Good47%top-5 click share — leaders hold, buyers still browse
Market size
Good£292K£292K/yr · 386K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Bad5,427.86avg incumbent reviews — the moat a new listing must climb
Brand share
Bad92%top-5 brand share — brand-locked demand
Avg price
Bad£5.28avg listing price — sweet spot $15–$100
Growth
Bad-24.4%90-day search growth — must beat 0% to launch
Price range
Bad£3.42–£11.13cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, pen refills is a £292K/yr Amazon United Kingdom market (386K searches/yr). The top 5 brands hold 92% of demand. Verdict: Skip it — 46/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
pen refills market data
- Units sold / yr
- 40K–50K
- avg 1,500–2,000/product
- Revenue / yr
- £211K–£264K
- units × avg price
- Conversion rate
- 14.3%
- Avg BSR
- #60
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 76%
- Out of stock
- 1.0%
- Avg brand age
- 57 months
- Avg seller age
- 172 days
Competition & brand share
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.Brands
9 rising
Sellers
69
Top-5 brand share
92%
Top 20: 100%
Top-5 click share
47%
Top 20: 91%
Open market
4%
- PARKER48%
- MengRan16%
- Charmngifts14%
- teng hong hui7%
- CiciIng7%
- RUNFENG4%
- Open — no brand owns it (3 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -24.4% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top pen refills search terms
- parker pen refills147K/yr
- pen refills57K/yr
- pen refills black ballpoint26K/yr
- parker pen refills black24K/yr
- ballpoint pen refills20K/yr
- biro refills17K/yr
- parker ballpoint pen refills15K/yr
- pen refill10K/yr
- parker pen refill9K/yr
- parker jotter refill11K/yr
Top pen refills 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
Parker Ballpoint Pen Refills | Medium Point | Black QUINKflow Ink | 2 Count
PARKER£3.484.7★14,643 rev
Parker Ballpoint Pen Refills | Medium Point | Black QUINKflow Ink | 3 Count
PARKER£5.774.6★20,020 rev
5 x Parker Pen Refills Black 9.9cm Long Black Jotter Refill Compatible with Parker Ballpoint Pens Medium Size 0.7 Nib (5)
Charmngifts£3.994.5★2,083 rev
Parker Ballpoint Pen Refills | Medium Point | Black QUINKflow Ink | 6 Count Value Pack
PARKER£8.424.6★20,020 rev
MengRan 4.5 Ballpoint Ink Pen Refills for Twist Pens Black 10Pcs
MengRan£4.604.5★1,181 rev
Newest
by launch date
50 Pcs Black Retractable Pen Refills 0.7mm Ballpoint Pen Refills Medium Nib Smooth Writing Click Biro Ink Replacement Compatible with Most Ballpoint Pens Ideal for Office School and Daily Use
Dbaemu£6.033 rev
MengRan 3.85 Ballpoint Ink Pen Refills for Click Pens Black 10Pcs
MengRan£4.482,564 rev
Black Reception Pen Ink Refills Medium Nib Biro Refills for Retractable Pen 0.7mm Pen Refills Ballpoint for Reception Office Home School (10)
Charmngifts£4.61376 rev
MengRan 4.5 Ballpoint Ink Pen Refills for Twist Pens Black 10Pcs
MengRan£4.601,181 rev
MengRan 3.9 Ballpoint Ink Pen Refills Black Ink Medium 10Pcs
MengRan£4.552,533 rev
Trending
90-day click momentum50 Pcs Black Retractable Pen Refills 0.7mm Ballpoint Pen Refills Medium Nib Smooth Writing Click Biro Ink Replacement Compatible with Most Ballpoint Pens Ideal for Office School and Daily Use
Dbaemu£6.034.6★
MengRan 3.85 Ballpoint Ink Pen Refills for Click Pens Black 10Pcs
MengRan£4.484.6★
Parker Ballpoint Pen Refills | Medium Point | Blue QUINKflow Ink | 3 Count
PARKER£6.614.6★
10 Pieces Pen Refills Ballpoint Pen Refills Replaceable Refill Compatible with Smooth Writing for School and Office Supplies Diameter 1 mm Medium Size 9.8cm Long(Blue)
RUNFENG£3.424.5★
MengRan 4.5 Ballpoint Ink Pen Refills for Twist Pens Black 10Pcs
MengRan£4.604.5★
What buyers say about pen refills
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent price”
“Good quality and maybe best bought when on sale, as was the case for me”
“Fits perfectly”
“Excellent refills”
“As advertised”
“Perfect fit, smooth writing”
“They work well good pens had them before”
“Good quality ink”
“Works well”
“Ease of use”
What buyers complain about
“The quality is inconsistent to the point where theyre not reliable”
“Short Lived”
“Very poor quality refills”
“The refills are rather dry”
“Short”
“Problems with ink flow”
“others barely write”
“Also a touch expensive”
“not working”
“the flow was poor”
Top return reasons
Common questions
- Is pen refills profitable to sell on Amazon United Kingdom?
- The niche generates £292K/yr across 29 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -24.4%. Flapen's verdict: Skip it (46/100).
- How competitive is the pen refills niche?
- 9 brands and 69 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 92% of demand.
- What do buyers complain about in pen refills?
- Top complaints mined from reviews: Quality-Overall, Durability, Ink Refill. The return rate is 0.4%.
- When does demand for pen refills peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the pen refills niche?
- Listings span £3.42–£11.13; the average listing price is £5.28 (sweet spot $15–$100). The average incumbent carries 5,428 reviews — the moat a new listing must climb.