bum bag
Worth a lookShows demand growing +83.2% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Growth
Great+83.2%90-day search growth — must beat 0% to launch
Returns
Great1.5%return rate — above 5% kills the launch gate
Market size
Good£635K£635K/yr · 1.6M searches
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Conversion
Okay3.6%search→purchase rate — share of searches ending in a sale
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Review moat
Okay2,516.71avg incumbent reviews — the moat a new listing must climb
Price range
Okay£4.18–£22.07cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay£10.73avg listing price — sweet spot $15–$100
According to Flapen's Amazon United Kingdom niche tracking, bum bag is a £635K/yr Amazon United Kingdom market (1.6M searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jun–Jul–Aug. Verdict: Worth a look — 59/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
bum bag market data
- Units sold / yr
- 60K–80K
- avg 1,500–2,000/product
- Revenue / yr
- £644K–£858K
- units × avg price
- Conversion rate
- 3.6%
- Avg BSR
- #23
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 1.2%
- Avg brand age
- 38 months
- Avg seller age
- 173 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
29
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
52%
Top 20: 86%
Open market
17%
- szyanlai25%
- Waterfly24%
- hongking14%
- MAXTOP14%
- BAIYSFFG4%
- G4GADGET3%
- Open — no brand owns it (11 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +83.2% search growth over the last 90 days.Peak months: Jun, Jul, Aug · busiest ÷ quietest = 3.0×
Top bum bag search terms
- bum bag454K/yr
- bumbags for ladies272K/yr
- bumbag224K/yr
- bumbags for men95K/yr
- bum bags86K/yr
- waist bag88K/yr
- fanny pack for women61K/yr
- fanny pack67K/yr
- belt bag47K/yr
- fanny pack for men39K/yr
Top bum bag 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
Bumbags for Ladies Bum Bag Fanny Pack Men Women Waist Pack Lightweight Adjustable for Running Walking Hiking Jogging (Black)
szyanlai£5.504.4★351 rev
Bumbags Waist Fanny Pack Ladies Fashion Bum Bag with Adjustable Belt for Sport Hiking Girls Women Men (Black)
hongking£5.694.3★752 rev
Bum Bag for Ladies Women Men Girls Bumbags Waist Fanny Pack with Headphone Jack and Adjustable Belt for Sport Running Hiking Jogging Gifts for Men Women
szyanlai£5.504.3★147 rev
MAXTOP Large Bumbag Waist Fanny Pack Running Belt for Men Women Unisex Bum Bag with Headphone Jack and 4-Zipper Pockets Adjustable Belt for Travel Running Jogging Workout Hiking Gifts Black
MAXTOP£8.084.4★39,468 rev
Waterfly 3L Large Bum Bag: RFID Blocking Anti-Theft Waist Fanny Pack with Multi-Pocket for Men Women Travelling Walking Hiking
Waterfly£22.064.8★145 rev
Newest
by launch date
Waterfly Bum Bag Fanny Pack: Small Waist Packs Bumbag with 30cm Extended Belt Fashion Anti-Theft Crossbody Chest Bag with RFID Blocking for Women Men Hiking Sport Running Walking Travel Black
Waterfly£17.7455 rev
Waterfly Bum Bag Fanny Pack: Small Waist Packs Bumbag with 30cm Extended Belt Fashion Anti-Theft Crossbody Chest Bag with RFID Blocking for Women Men Hiking Sport Running Walking Travel Peacock Blue
Waterfly£17.7055 rev
MAXTOP Black Bumbag Waist Fanny Pack for Men Women Bum Bag with 4-Zipper Pockets Travel Essentials for Outdoors Workout Hiking Running Cycling
MAXTOP£12.0716 rev
Waterfly 3L Large Bum Bag: RFID Blocking Anti-Theft Waist Fanny Pack with Multi-Pocket for Men Women Travelling Walking Hiking
Waterfly£22.06145 rev
Waterfly 3L Large Bum Bag: RFID Blocking Anti-Theft Waist Fanny Pack with Multi-Pocket for Men Women Travelling Walking Hiking
Waterfly£22.07145 rev
Trending
90-day click momentumWaterfly Bum Bag Fanny Pack: Small Waist Packs Bumbag with 30cm Extended Belt Fashion Anti-Theft Crossbody Chest Bag with RFID Blocking for Women Men Hiking Sport Running Walking Travel Black
Waterfly£17.744.8★
Waterfly 3L Large Bum Bag: RFID Blocking Anti-Theft Waist Fanny Pack with Multi-Pocket for Men Women Travelling Walking Hiking
Waterfly£22.064.8★
Waterfly Bum Bag Fanny Pack: Small Waist Packs Bumbag with 30cm Extended Belt Fashion Anti-Theft Crossbody Chest Bag with RFID Blocking for Women Men Hiking Sport Running Walking Travel Peacock Blue
Waterfly£17.704.8★
Waterfly 3L Large Bum Bag: RFID Blocking Anti-Theft Waist Fanny Pack with Multi-Pocket for Men Women Travelling Walking Hiking
Waterfly£22.074.8★
MAXTOP Black Bumbag Waist Fanny Pack for Men Women Bum Bag with 4-Zipper Pockets Travel Essentials for Outdoors Workout Hiking Running Cycling
MAXTOP£12.074.7★
What buyers say about bum bag
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality bag”
“It fits more than expected”
“Lots of pockets”
“Looks exactly as pictures”
“Good price”
“very comfortable”
“Plenty room”
“This fanny pack is thin and lightweight enough, so I managed to squeeze it into my hand luggage”
“Easy to use”
“Adaptable”
What buyers complain about
“after one week both straps came unstitched from the bag”
“Small”
“It broke”
“Poor quality”
“stitching coming undone”
“its full of zips that are really hard to open”
“a tad expensive”
“does not cope in the rain”
“It doesn't hold as much as would like”
“The colour is poor”
Top return reasons
Common questions
- Is bum bag profitable to sell on Amazon United Kingdom?
- The niche generates £635K/yr across 35 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is +83.2%. Flapen's verdict: Worth a look (59/100).
- How competitive is the bum bag niche?
- 17 brands and 29 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in bum bag?
- Top complaints mined from reviews: Strap/String Quality, Size-Overall, Durability. The return rate is 1.5%.
- When does demand for bum bag peak?
- Demand peaks in Jun–Jul–Aug; the busiest month runs 3.0× the quietest.
- What does it cost to enter the bum bag niche?
- Listings span £4.18–£22.07; the average listing price is £10.73 (sweet spot $15–$100). The average incumbent carries 2,517 reviews — the moat a new listing must climb.