stainless steel lunch box
Worth a lookShows a fragmented shelf (top 5 take 32% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Competition
Great32%top-5 click share — an open shelf
Brand share
Great54%top-5 brand share — no brand owns this niche
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Great392.19avg incumbent reviews — the moat a new listing must climb
Avg price
Great£15.02avg listing price — sweet spot $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Price range
Good£6.94–£26.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Okay£143K£143K/yr · 540K searches
Growth
Bad-3.5%90-day search growth — must beat 0% to launch
Conversion
Bad1.8%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United Kingdom niche tracking, stainless steel lunch box is a £143K/yr Amazon United Kingdom market (540K searches/yr). The top 5 brands hold 54% of demand. Demand peaks in Aug–Sep. Verdict: Worth a look — 57/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
stainless steel lunch box market data
- Units sold / yr
- 8K–10K
- avg 100–250/product
- Revenue / yr
- £120K–£150K
- units × avg price
- Conversion rate
- 1.8%
- Avg BSR
- #110
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 10.3%
- Avg brand age
- 27 months
- Avg seller age
- 182 days
Competition & brand share
Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.Brands
31 falling
Sellers
43
Top-5 brand share
54%
Top 20: 91%
Top-5 click share
32%
Top 20: 69%
Open market
42%
- Everusely22%
- Onader11%
- BLACK + BLUM8%
- Smash8%
- Blockhütte5%
- Umigy4%
Demand & seasonality
Weekly Amazon search volume, last 92 weeks — -3.5% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 2.6×
Top stainless steel lunch box search terms
- stainless steel lunch box105K/yr
- metal lunch box61K/yr
- stainless steel food containers61K/yr
- stainless steel lunch box for kids51K/yr
- stainless steel tupperware26K/yr
- stainless steel bento box29K/yr
- steel lunch box21K/yr
- metal lunch boxes for adults17K/yr
- stainless steel container15K/yr
- metal tupperware13K/yr
Top stainless steel lunch box 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
Everusely - Bento Box - Green 27oz / 0.8 L - Stainless Steel Lunch Box with Leakproof Condiment Container - 3 Compartment Snack Container - Freezer & Dishwasher Safe
Everusely£12.544.2★703 rev
Smash Stainless Steel Bento Lunch Box 3 Compartments Blue 1300ml
Smash£9.484.5★113 rev
Onader Stainless Steel Lunch Box 1400ml Large Bento Lunchbox with 1pc Removable Compartment Leak-Proof Salad Food Storage Container for Kids & Adults Sturdy & Dishwasher Safe
Onader£11.334.5★24 rev
Stainless Steel Lunch Box 1000 ml Capacity Olive
BLACK + BLUM£22.044.6★1,047 rev
Blockhütte Stainless Steel Lunch Box for Kids and Adults I 800ml Metal Lunch Box I Metal Bento Boxes with 2 Movable Dividers Leakproof Lunchbox Stainless Steel Bento Box with Spare Seal
Blockhütte£19.904.3★4,748 rev
Newest
by launch date
Onader Lunch Box 1400ML Stainless Steel Bento Lunchbox with Sauce Pot and 1pc Removable Compartment Leak-Proof Salad Food Storage Container for Kids & Adults Sturdy & Dishwasher Safe
Onader£12.2618 rev
GOLDEN KEY Stainless Steel Lunch Box 1400 ml for Adults Stainless Steel Bento Box with Compartments and Replacement Silicone Ring Stainless Steel Lunch Box Leak-Proof Food Containers for Work
GOLDEN KEY£11.8889 rev
BOYUNSHI Bento Box Lunch Boxes Stainless Steel Lunch Box with 3 Compartments Lunchbox Snack Boxes for Kids Adults Leak-Proof Bento Box for School Office & Outdoor Microwave Dishwasher Safe 27oz
BOYUNSHI£13.7166 rev
CECOMBINE 3Pack Stainless Steel Food Storage Containers With Lids Airtight Metal Food Container Stackable Meal Prep Containers Leakproof Metal Lunch Box for Kitchen Office Bento Snacks
CECOMBINE£17.829 rev
Jekasy 304 Stainless Steel Bento Box 3 Pack Stainless Steel Containers With Lids 2400/1400/850ml Leak-Proof & Stackable Storage Food Storage Containers for Soup Salad Leftover
Jekasy£24.2547 rev
Trending
90-day click momentumGOLDEN KEY Stainless Steel Lunch Box 1400 ml for Adults Stainless Steel Bento Box with Compartments and Replacement Silicone Ring Stainless Steel Lunch Box Leak-Proof Food Containers for Work
GOLDEN KEY£11.884.5★
Onader Lunch Box 1400ML Stainless Steel Bento Lunchbox with Sauce Pot and 1pc Removable Compartment Leak-Proof Salad Food Storage Container for Kids & Adults Sturdy & Dishwasher Safe
Onader£12.264.4★
Kssvzz Stainless Steel Lunch Box with Compartments 1400ML Metal Bento Box for Adults Kids Leakproof Sandwich Box Food Containers for School Home Office
Kssvzz£8.773.9★
Stainless Steel Lunch Box 1000 ml Capacity Olive
BLACK + BLUM£22.044.6★
CECOMBINE 3Pack Stainless Steel Food Storage Containers With Lids Airtight Metal Food Container Stackable Meal Prep Containers Leakproof Metal Lunch Box for Kitchen Office Bento Snacks
CECOMBINE£17.823.9★
What buyers say about stainless steel lunch box
What buyers praise and complain about, mined from review topics.What buyers love
“nice quality set”
“true to size”
“It wont leak”
“Cleaning is straightforward”
“These containers feel really sturdy”
“Good value”
“easy to use”
“very durable”
“quality materials with a stable”
“Good capacity”
What buyers complain about
“Its a large”
“leaks between compartments”
“though not the cheapest”
“Looks like the quality of the items are not checked before shipping”
“the tin part is very hot bringing from the microwave”
“Broke immediately”
“found it heavy to take out”
“not fully cleanable”
“heavy as its a thick glass lid”
“which was not totally clear from the description”
Top return reasons
Common questions
- Is stainless steel lunch box profitable to sell on Amazon United Kingdom?
- The niche generates £143K/yr across 52 tracked products. 3 of 16 products launched in the last 360 days are still selling. 90-day search growth is -3.5%. Flapen's verdict: Worth a look (57/100).
- How competitive is the stainless steel lunch box niche?
- 31 brands and 43 sellers compete. The top 5 products take 32% of clicks and top 5 brands hold 54% of demand.
- What do buyers complain about in stainless steel lunch box?
- Top complaints mined from reviews: Size-Overall, Leak-Proof, Value For Money. The return rate is 2.1%.
- When does demand for stainless steel lunch box peak?
- Demand peaks in Aug–Sep; the busiest month runs 2.6× the quietest.
- What does it cost to enter the stainless steel lunch box niche?
- Listings span £6.94–£26.91; the average listing price is £15.02 (sweet spot $15–$100). The average incumbent carries 392 reviews — the moat a new listing must climb.