378xl ink cartridges
Worth a lookShows searches that convert (14.8% search→purchase), but a small market ($42K/yr) keeps it on the watch list.
Conversion
Incredible14.8%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great£20.09avg listing price — sweet spot $15–$100
Price range
Great£7.73–£89.75cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great296.72avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Growth
Bad-3.5%90-day search growth — must beat 0% to launch
Market size
Bad£42K£42K/yr · 14K searches
According to Flapen's Amazon United Kingdom niche tracking, 378xl ink cartridges is a £42K/yr Amazon United Kingdom market (14K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Oct. Verdict: Worth a look — 55/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
378xl ink cartridges market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- £40K–£50K
- units × avg price
- Conversion rate
- 14.8%
- Avg BSR
- #968
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 1.7%
- Avg brand age
- 43 months
- Avg seller age
- 194 days
Competition & brand share
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.Brands
13 falling
Sellers
69
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
58%
Top 20: 100%
Open market
18%
- Epson41%
- Meagiis14%
- ColorKing10%
- LeciRoba7%
- HenceBuy6%
- SAILNER4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -3.5% search growth over the last 90 days.Peak months: Oct · busiest ÷ quietest = 1.8×
Top 378xl ink cartridges search terms
- epson xp-8700 printer ink cartridges7K/yr
- epson 378 ink cartridges3K/yr
- 378xl ink cartridges4K/yr
Top 378xl ink cartridges 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Epson 378 Squirrel Genuine Multipack 6-colours Ink Cartridges Claria Photo HD Ink
Epson£47.814.5★1,723 rev

Meagiis 378XL Ink Cartridges Compatible for Epson 378 XL Ink Cartridges Multipack Compatible for Epson Expression Photo XP-8700 XP-8000 XP-8500 XP-8505 XP-8600 XP-8605 XP-15000 XP-8005 (12 Packs)
Meagiis£17.074.6★100 rev

ColorKing Ink Cartridges Compatible for Epson 378 Ink Cartridges Compatible for Epson XP 8700 Printer Ink Cartridges XP-8500 XP-8505 XP-8600 XP-8605 (7 Packs)
ColorKing£16.214.4★337 rev

LeciRoba 378XL Ink Cartridge for Epson 378 378xl ink cartridges for Epson Expression Photo XP-8500 XP-8505 XP-8600 XP-8605 Printers (12-PACK)
LeciRoba£16.574.5★160 rev

HenceBuy 378XL Ink Cartridges Multipack for Epson 378 XL Compatible with Epson Expression Photo XP-8700 XP-8600 XP-8500 XP-8505 XP-8605 XP-8000 XP-8005 HD XP-15000 Inkjet Printer (8 Pack)
HenceBuy£13.484.7★35 rev
Newest
by launch date
SAILNER 378XL Ink Cartridges Replacement for Epson 378 Squirrel 14-Pack High Yield Multipack for Expression Photo XP-8700 XP-8600 XP-8500 XP-8000 XP-15000 Printer
SAILNER£16.5011 rev

378XL Ink Cartridges 12-Pack High Yield Replacement for Epson 378 XL Ink Cartridges Multipack Compatible with Epson Expression Photo XP-8700 XP-8500 XP-8505 XP-8600 XP-8605 XP-8000 XP-8005
PACITEK£14.4513 rev

HenceBuy 378XL Ink Cartridges Multipack for Epson 378 XL Compatible with Epson Expression Photo XP-8700 XP-8600 XP-8500 XP-8505 XP-8605 XP-8000 XP-8005 HD XP-15000 Inkjet Printer (8 Pack)
HenceBuy£13.4835 rev

Clorisun 378XL Ink Cartridge for Epson 378 378xl ink cartridges for Epson Expression Photo XP-8000 XP-8005 XP-8500 XP-8505 XP-8600 XP-8605 XP-8606 XP-8700 XP-8705 XP-15000 Printers (12-PACK)
Clorisun£16.5656 rev

Meagiis 378XL Ink Cartridges Compatible for Epson 378 XL Ink Cartridges Multipack Compatible for Epson Expression Photo XP-8700 XP-8000 XP-8500 XP-8505 XP-8600 XP-8605 XP-15000 XP-8005 (12 Packs)
Meagiis£17.07100 rev
Trending
90-day click momentum
HenceBuy 378XL Ink Cartridges Multipack for Epson 378 XL Compatible with Epson Expression Photo XP-8700 XP-8600 XP-8500 XP-8505 XP-8605 XP-8000 XP-8005 HD XP-15000 Inkjet Printer (8 Pack)
HenceBuy£13.484.7★

Meagiis 378XL Ink Cartridges Compatible for Epson 378 XL Ink Cartridges Multipack Compatible for Epson Expression Photo XP-8700 XP-8000 XP-8500 XP-8505 XP-8600 XP-8605 XP-15000 XP-8005 (12 Packs)
Meagiis£17.074.6★

SAILNER 378XL Ink Cartridges Replacement for Epson 378 Squirrel 14-Pack High Yield Multipack for Expression Photo XP-8700 XP-8600 XP-8500 XP-8000 XP-15000 Printer
SAILNER£16.504.7★

LeciRoba 378XL Ink Cartridge for Epson 378 378xl ink cartridges for Epson Expression Photo XP-8500 XP-8505 XP-8600 XP-8605 Printers (12-PACK)
LeciRoba£16.574.5★

Epson 378 Black Squirrel Genuine Claria Photo HD Ink Cartridge Standard Capacity
Epson£7.734.5★
What buyers say about 378xl ink cartridges
What buyers praise and complain about, mined from review topics.What buyers love
“Good Price”
“Good quality ink”
“Excellent product”
“Epson compatible in cartridges-Praise”
“The colours came out decent”
“These fit great and work well”
“As described”
“Works well and last a decent time”
“Works perfectly”
“Simples”
What buyers complain about
“Non-Compatibility issue”
“A bit expensive”
“Very poor quality not as described”
“Bad quality of the colours”
“no amount of head cleaning helped”
“Not great took a while to fit in properly”
“Wrong advertisement”
“Unfortunately the cartridges appear to be poor quality”
“Dont Buy, they dont work”
Top return reasons
Common questions
- Is 378xl ink cartridges profitable to sell on Amazon United Kingdom?
- The niche generates £42K/yr across 18 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -3.5%. Flapen's verdict: Worth a look (55/100).
- How competitive is the 378xl ink cartridges niche?
- 13 brands and 69 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in 378xl ink cartridges?
- Top complaints mined from reviews: Compatibility-Overall, Value For Money, Quality-Overall. The return rate is 0.6%.
- When does demand for 378xl ink cartridges peak?
- Demand peaks in Oct; the busiest month runs 1.8× the quietest.
- What does it cost to enter the 378xl ink cartridges niche?
- Listings span £7.73–£89.75; the average listing price is £20.09 (sweet spot $15–$100). The average incumbent carries 297 reviews — the moat a new listing must climb.