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50

boston shaker

Worth a look

Shows low returns (0.5%), but a small market ($43K/yr) keeps it on the watch list.

Market size 11Growth 53Conversion 79Competition 38Returns 97Price range 63Avg price 66Brand share 54Review moat 44Quality gap 25

Returns

Incredible0.5%

return rate — above 5% kills the launch gate

Conversion

Great8.1%

search→purchase rate — share of searches ending in a sale

Avg price

Good£13.86

avg listing price — sweet spot $15–$100

Price range

Good£6.79–£29.10

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Good72%

top-5 brand share — brands hold most of the demand

Growth

Good+24.2%

90-day search growth — must beat 0% to launch

Review moat

Okay2,076.4

avg incumbent reviews — the moat a new listing must climb

Competition

Okay62%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad£43K

£43K/yr · 39K searches

According to Flapen's Amazon United Kingdom niche tracking, boston shaker is a £43K/yr Amazon United Kingdom market (39K searches/yr). The top 5 brands hold 72% of demand. Demand peaks in Dec. Verdict: Worth a look — 50/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

boston shaker market data

Units sold / yr
3K–4K
avg 100–250/product
Revenue / yr
£42K–£55K
units × avg price
Conversion rate
8.1%
Avg BSR
#50
Page quality
0%
Prime
90%
Sponsored
85%
Out of stock
16.8%
Avg brand age
65 months
Avg seller age
199 days

Competition & brand share

The top 5 products take 62% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

38

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

23%

  • Beaumont24%
  • WOTOR20%
  • LEEGOHI14%
  • Perjoy10%
  • INNÔPLUS5%
  • Chabrias Ltd5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +24.2% search growth over the last 90 days.
2K2KHoliday '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 3.6×

Top boston shaker 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.

0%10%£4K20%£9K30%£13K40%£17K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 20 tracked products in this niche — three views at once, no toggling.

What buyers say about boston shaker

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall24%

“Very well made”

Value For Money22%

“Good Value”

Advertised Vs Actual Product16%

“Just what I needed”

Ease Of Use9%

“Easy to use”

Size-Overall6%

“Fits perfectly together”

Efficiency5%

“Works well”

Leak-Proof3%

“didn't leak anywhere”

Durability2%

“it still looks brand new”

Mixing/Blending2%

“Good shaker”

Design-Overall2%

“looks good doing it”

What buyers complain about

Size-Overall30%

“However the fitting is a bit off so have to be careful so as to drink”

Rusts/Corrodes20%

“it leaves rust rings in my stainless steel sink”

Quality-Overall20%

“Poor quality”

Leak-Proof7%

“Some people say it leaks”

Top return reasons

Size-Overall22%
Gifting Purpose13%
Quality-Overall11%
Leak-Proof9%
Ease Of Use7%
Product Condition7%
Material Quality4%
Smell4%
Adhesion/Stickiness4%
Advertised Vs Actual Product4%

Common questions

Is boston shaker profitable to sell on Amazon United Kingdom?
The niche generates £43K/yr across 20 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +24.2%. Flapen's verdict: Worth a look (50/100).
How competitive is the boston shaker niche?
18 brands and 38 sellers compete. The top 5 products take 62% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in boston shaker?
Top complaints mined from reviews: Size-Overall, Rusts/Corrodes, Quality-Overall. The return rate is 0.5%.
When does demand for boston shaker peak?
Demand peaks in Dec; the busiest month runs 3.6× the quietest.
What does it cost to enter the boston shaker niche?
Listings span £6.79–£29.10; the average listing price is £13.86 (sweet spot $15–$100). The average incumbent carries 2,076 reviews — the moat a new listing must climb.