swim nappies size 3-4
Skip itPrices mostly outside the sweet spot ($4.46–$12.72) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great11.5%search→purchase rate — share of searches ending in a sale
Growth
Great+68.7%90-day search growth — must beat 0% to launch
Review moat
Good899.83avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Bad£8.79avg listing price — sweet spot $15–$100
Competition
Bad78%top-5 click share — a locked-up shelf
Brand share
Bad94%top-5 brand share — brand-locked demand
Market size
Bad£51K£51K/yr · 50K searches
Price range
Bad£4.46–£12.72cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, swim nappies size 3-4 is a £51K/yr Amazon United Kingdom market (50K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in May–Jun–Jul. Verdict: Skip it — 47/100.
Data updated Jul 18, 2026 · scored weekly · How we score niches
swim nappies size 3-4 market data
- Units sold / yr
- 6K–8K
- avg 500–750/product
- Revenue / yr
- £53K–£70K
- units × avg price
- Conversion rate
- 11.5%
- Avg BSR
- #21
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 0.0%
- Avg brand age
- 41 months
- Avg seller age
- 151 days
Competition & brand share
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 rising
Sellers
67
Top-5 brand share
94%
Top 20: 100%
Top-5 click share
78%
Top 20: 100%
Open market
2%
- Pampers39%
- HUGGIES20%
- Tilz14%
- Bambo Nature12%
- Huggies8%
- Linenvale5%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +68.7% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 4.7×
Top swim nappies size 3-4 search terms
- swim nappies size 416K/yr
- swim nappies size 311K/yr
- swimming nappies size 47K/yr
- swimming nappies size 36K/yr
- huggies little swimmers 3-43K/yr
- little swimmers 3-43K/yr
- huggies swim nappies 3-43K/yr
- swim nappies size 3-42K/yr
Top swim nappies size 3-4 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Pampers Splashers Swimming Pants Size 3-4 6-12 kg Carry Pack 12 Count
Pampers£7.114.6★527 rev
Huggies Little Swimmers Swim Nappies - Size 3-4 36 Baby Swim Pants - Leak Guards and Stretchy Waistband Protect Without Swelling - Tear Sides for Easy Removal
HUGGIES£9.824.7★2,087 rev
Pampers Splashers Swimming Pants Size 4-5 9-15kg Carry Pack 11 Count
Pampers£7.074.4★263 rev
Swim Nappies Size 3-4 with Nappy Bags for Swim Nappy Little Swimmers Disposible Swimming Nappies for Babies (7-15kg) x 24 - Waterproof Nappies Great for Summer Indoor Outdoors Pools
Tilz£11.860.0★0 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
Little Swimmers Swim Pants for Babies Size 3-4 (7-15 kg) 12 Swim Pants Pack of 2
Linenvale£12.720 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
HUGGIES 2 Pack Pant Set
HUGGIES£7.609 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£6.29526 rev
Trending
90-day click momentumHUGGIES 2 Pack Pant Set
HUGGIES£7.604.0★
Little Swimmers Swim Pants for Babies Size 5-6 (12-18 kg) 11 Swim Pants (Pack of 2)
Linenvale£10.870.0★
Swim Nappies Size 2-3 with Nappy Bags for Swim Nappy Little Swimmers Disposible Swimming Nappies for Babies (3-8kg) x 24 - Waterproof Nappies Great for Summer Indoor Outdoors Pools
Tilz£12.550.0★
Little Swimmers Swim Pants for Babies Size 3-4 (7-15 kg) 12 Swim Pants Pack of 2
Linenvale£12.720.0★
Swim Nappies Size 3-4 with Nappy Bags for Swim Nappy Little Swimmers Disposible Swimming Nappies for Babies (7-15kg) x 24 - Waterproof Nappies Great for Summer Indoor Outdoors Pools
Tilz£11.860.0★
What buyers say about swim nappies size 3-4
What buyers praise and complain about, mined from review topics.What buyers love
“Fit well”
“has worked effectively so far with no leaks”
“Does the job”
“Good quality swim nappies”
“Good nappies, didnt expand in the water, very useful for babies”
“comfortable”
“Soft, comfortable and no irritation”
“easy to pull up”
“Great Swim nappy for my little one”
“Good value for money”
What buyers complain about
“The sizing isn't great”
Common questions
- Is swim nappies size 3-4 profitable to sell on Amazon United Kingdom?
- The niche generates £51K/yr across 12 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +68.7%. Flapen's verdict: Skip it (47/100).
- How competitive is the swim nappies size 3-4 niche?
- 7 brands and 67 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 94% of demand.
- What do buyers complain about in swim nappies size 3-4?
- Top complaints mined from reviews: Size-Overall. The return rate is 0.0%.
- When does demand for swim nappies size 3-4 peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 4.7× the quietest.
- What does it cost to enter the swim nappies size 3-4 niche?
- Listings span £4.46–£12.72; the average listing price is £8.79 (sweet spot $15–$100). The average incumbent carries 900 reviews — the moat a new listing must climb.