swim nappies
Worth a lookShows low returns (0.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.2%return rate — above 6% kills the launch gate
Growth
Great+66.0%90-day search growth — must beat 0% to launch
Conversion
Good6.5%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Price range
Good£3.43–£30.04cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good£355K£355K/yr · 579K searches
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Review moat
Okay1,676.39avg incumbent reviews — the moat a new listing must climb
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Avg price
Okay£9.47avg listing price — sweet spot $15–$100
According to Flapen's Amazon United Kingdom niche tracking, swim nappies is a £355K/yr Amazon United Kingdom market (579K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 61/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 30K–40K
- avg 1,500–2,000/product
- Revenue / yr
- £284K–£379K
- units × avg price
- Launch success
- 33%
- 2 of 6 new (360d)
- Conversion rate
- 6.5%
- Avg BSR
- #18
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 83%
- Out of stock
- 0.9%
- Avg brand age
- 41 months
- Avg seller age
- 152 days
Competition
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
11 rising
Sellers
82
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
55%
Top 20: 97%
Open market
9%
- HUGGIES29%
- Pampers24%
- Bambo Nature16%
- Tilz8%
- Swimbubs7%
- Linenvale7%
- Open — no brand owns it (5 brands, 9%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +66.0% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 4.7×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Huggies Little Swimmers Swim Nappies Size 5-6 - 33 Pants - Maximum Protection Swimming Nappies with Leak Guards - All-Round Stretchy Waistband
HUGGIES£9.484.7★2,087 rev
Pampers Splashers Swimming Pants Size 3-4 6-12 kg Carry Pack 12 Count
Pampers£7.114.6★527 rev
Bambo Nature Premium Swim Nappy Pants Medium Size (12+ kg) Disposable and Eco-Labelled Perfect Swimming Nappies for Water Activities Swim Nappies for Babies
Bambo Nature£6.664.5★526 rev
Pampers Splashers Swimming Pants Size 4-5 9-15kg Carry Pack 11 Count
Pampers£7.074.4★263 rev
Bambo Nature Premium Swim Nappy Pants Small Size (7-12 kg) Disposable and Eco-Labelled Perfect Swimming Nappies for Water Activities Swim Nappies for Babies
Bambo Nature£6.294.5★526 rev
Newest
by launch date
Swimbubs Toddler Rash Guard Swim Set Baby Swimwear Set with Short Sleeve Rash Vest & Swim Shorts Kids Swimsuit Outfit for Beach Pool & Holidays (2-3 Years Blue Whale)
Swimbubs£8.2832 rev
SWIMMM Disposable Swim Nappies for Kids Size 8 (2842 kg / 6293 lbs) Pack of 30 Discreet & Skin-Friendly Protection for Faecal Incontinence Safe Swimming in Water
Swimmm£30.0469 rev
Little Swimmers Swim Pants for Babies Size 5-6 (12-18 kg) 11 Swim Pants (Pack of 2)
Linenvale£10.870 rev
Swimbubs Reusable Swim Nappy Baby Swimwear for Boys and Girls Ideal for Swimming Lessons (12-24 Months Pink Dolphin)
Swimbubs£8.4554 rev
Swimbubs Reusable Swim Nappy Baby Swimwear for Boys and Girls Ideal for Swimming Lessons (12-24 Months Blue Whale)
Swimbubs£8.5454 rev
Trending
90-day click momentumSwimbubs Toddler Rash Guard Swim Set Baby Swimwear Set with Short Sleeve Rash Vest & Swim Shorts Kids Swimsuit Outfit for Beach Pool & Holidays (2-3 Years Blue Whale)
Swimbubs£8.284.2★
SWIMMM Disposable Swim Nappies for Kids Size 8 (2842 kg / 6293 lbs) Pack of 30 Discreet & Skin-Friendly Protection for Faecal Incontinence Safe Swimming in Water
Swimmm£30.044.0★
Wireless Earbuds 6-20-u-779
HUGGIES£6.684.2★
Little Swimmers Swim Pants for Babies Size 5-6 (12-18 kg) 11 Swim Pants (Pack of 2)
Linenvale£10.870.0★
Huggies Little Swimmers Disposable Swim Nappies - Size 3-4
Huggies£4.464.6★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Fit well”
“appear well made”
“Does the job”
“The price is very good for this set @£8.99”
“fitted snug so no leakage”
“the stretchy fabric makes it easy to get on”
“They are good for protection”
“Lovely print and good quality”
“making it easy for my child to move around in both in and out of the water”
“The design is also really cute”
What buyers complain about
“The sizing isn't great”
“Bad chemical smell”
“I will not feel comfortable using these for my son”
“However, rhe dark blue colour is not ideal for swimwear”
“it does not stand out in case of emergency”
“The only reason Im giving 4 stars instead of 5 is that the shorts could have a slightly better fit around the waist—theyre a bit loose compared to the top”
Top return reasons
Common questions
- Is swim nappies profitable to sell on Amazon United Kingdom?
- The niche generates £355K/yr across 23 tracked products. 2 of 6 products launched in the last 360 days are still selling. 90-day search growth is +66.0%. Flapen's verdict: Worth a look (61/100).
- How competitive is the swim nappies niche?
- 11 brands and 82 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in swim nappies?
- Top complaints mined from reviews: Size-Overall, Smell, Comfort-Overall. The return rate is 0.2%.
- When does demand for swim nappies peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 4.7× the quietest.
- What does it cost to enter the swim nappies niche?
- Listings span £3.43–£30.04; the average listing price is £9.47 (sweet spot $15–$100). The average incumbent carries 1,676 reviews — the moat a new listing must climb.
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