Skip to content
50

zip lock bags

Worth a look

Shows low returns (0.4%), but a small market ($39K/yr) keeps it on the watch list.

Market size 10Growth 24Conversion 66Competition 80Returns 98Price range 22Avg price 21Brand share 91Review moat 51Quality gap 32

Returns

Incredible0.4%

return rate — above 5% kills the launch gate

Brand share

Great44%

top-5 brand share — no brand owns this niche

Competition

Great35%

top-5 click share — an open shelf

Conversion

Good5.9%

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

Review moat

Good1,445.82

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-1.8%

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

Price range

Bad£1.41–£18.82

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

Avg price

Bad£7.58

avg listing price — sweet spot $15–$100

Market size

Bad£39K

£39K/yr · 87K searches

According to Flapen's Amazon United Kingdom niche tracking, zip lock bags is a £39K/yr Amazon United Kingdom market (87K searches/yr). The top 5 brands hold 44% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

zip lock bags market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
£38K–£45K
units × avg price
Conversion rate
5.9%
Avg BSR
#68
Page quality
0%
Prime
100%
Sponsored
78%
Out of stock
0.4%
Avg brand age
33 months
Avg seller age
185 days

Competition & brand share

Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.

Brands

30 falling

Sellers

108

Top-5 brand share

44%

Top 20: 91%

Top-5 click share

35%

Top 20: 75%

Open market

49%

  • sent 4 u ltd13%
  • Hemiks10%
  • WISYOK7%
  • Ziploc7%
  • Baco7%
  • Tidyz6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -1.8% search growth over the last 90 days.
15K10KSpike '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top zip lock bags search terms

  • zip bags40K/yr
  • zip bag15K/yr
  • plastic zip bags13K/yr
  • ziploc9K/yr
  • clear ziplock bags4K/yr
  • zip plastic bags4K/yr
  • zippy bags3K/yr
All search terms

Top zip lock bags 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%3%£1K6%£2K9%£3K12%£5K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about zip lock bags

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

What buyers love

Quality-Overall24%

“Nice storage wallets, good value and quality”

Value For Money16%

“Good value for money”

Size-Overall13%

“Perfect size”

Advertised Vs Actual Product10%

“As advertised”

Strength7%

“these seem sturdy and smooth operation”

Ease Of Use5%

“Easy to use”

Storage Capacity5%

“Great for storing toys”

Durability4%

“feel durable”

Leak-Proof2%

“they do not leak”

Locking Mechanism2%

“Very practical good locking mechanism”

What buyers complain about

Size-Overall26%

“Different sizes”

Thickness11%

“Thin and flimsy”

Quality-Overall8%

“They are low quality in comparison to some other brands”

Strength5%

“Thin and flimsy”

Advertised Vs Actual Product4%

“Misleading picture”

Value For Money4%

“pricey”

Durability4%

“Break on first use”

Material Quality3%

“You made the plastic so cheap”

Paper Quality2%

“Not for keeping papers flat”

Locking Mechanism2%

“After that, they no longer stay closed so become effectively useless”

Top return reasons

Size-Overall65%
Thin7%
Quality-Overall7%
Strength3%
Advertised Vs Actual Product3%
Material Quality2%
Value For Money2%
Thickness1%
Compatibility-Overall1%
Product Condition1%

Common questions

Is zip lock bags profitable to sell on Amazon United Kingdom?
The niche generates £39K/yr across 45 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -1.8%. Flapen's verdict: Worth a look (50/100).
How competitive is the zip lock bags niche?
30 brands and 108 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 44% of demand.
What do buyers complain about in zip lock bags?
Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 0.4%.
When does demand for zip lock bags peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the zip lock bags niche?
Listings span £1.41–£18.82; the average listing price is £7.58 (sweet spot $15–$100). The average incumbent carries 1,446 reviews — the moat a new listing must climb.