---
title: "Swim Nappies Size 5-6 — £152K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/baby-products/swim-nappies-size-5-6"
last_updated: "2026-08-11T05:55:02.972Z"
locale: en
meta:
description: "Niche score 57/100 · £152K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 57/100 · £152K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Swim Nappies Size 5-6 — £152K/yr Amazon UK Niche (2026) - Flapen"
---
# **swim nappies size 5-6**
**Worth a look**
Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 32Growth 95Conversion 83Competition 24Returns 100Price range 57Avg price 32Brand share 28Review moat 66Quality gap 50
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Growth**
**Incredible****+125.9%**
90-day search growth — must beat 0% to launch
**Conversion**
**Great****9.1%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Good****840.38**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****£3.43–£30.04**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Okay****£152K**
£152K/yr · 169K searches
**Avg price**
**Okay****£9.89**
avg listing price — sweet spot $15–$100
**Brand share**
**Okay****88%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****71%**
top-5 click share — a locked-up shelf
**Signals**[** Trending**](https://flapen.com/research/niches?market=uk&signal=trending "Search growth > 100% (90d)")
According to Flapen's Amazon United Kingdom niche tracking, swim nappies size 5-6 is a £152K/yr Amazon United Kingdom market (169K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in May–Jun–Jul–Aug. Verdict: Worth a look — 57/100.
Data updated Jul 18, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **swim nappies size 5-6 market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **£148K–£198K**
- units × avg price
- **Conversion rate**
- **9.1%**
- **Avg BSR**
- **#19**
- **Page quality**
- **0%**
- **Prime**
- **92%**
- **Sponsored**
- **77%**
- **Out of stock**
- **2.8%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **150 days**
## **Competition & brand share**
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**9 **▲rising
**Sellers**
**54**
**Top-5 brand share**
**88%**
Top 20: 100%
**Top-5 click share**
**71%**
Top 20: 100%
**Open market**
**5%**
- HUGGIES36% - Bambo Nature20% - Pampers15% - Linenvale10% - Tilz7% - TRIZINGA7% - Open — no brand owns it (3 brands, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +125.9% search growth over the last 90 days.
10K6KSpike '24Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 5.9×
[**Open Trend **](https://flapen.com/research/uk/baby-products/swim-nappies-size-5-6/trend)
## **Top swim nappies size 5-6 search terms**
- **swim nappies size 6-7**36K/yr+123.9%7.0% conv. - **swim nappies size 5-6**34K/yr+90.8%15.0% conv. - **swim nappies size 7**18K/yr+205.7%3.1% conv. - **swimming nappies size 7**16K/yr+77.8%3.9% conv. - **swimming nappies size 6**13K/yr+140.7%10.5% conv. - **swimming nappies size 8**12K/yr+158.3%2.7% conv. - **swimming nappies size 5**9K/yr+119.7%14.2% conv. - **swim nappies size 6**7K/yr+157.7%9.2% conv. - **swim nappies size 5**5K/yr+216.1%15.8% conv. - **swim nappies size 7-8**14K/yr+31.3%1.4% conv. [**All search terms **](https://flapen.com/research/uk/baby-products/swim-nappies-size-5-6/search-terms)
## **Top swim nappies size 5-6 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%10%£15K20%£30K30%£45K40%£61K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Huggies Little Swimmers Swim Nappies Size 5-6 - 33 Pants - Maximum Protection Swimming Nappies with Leak Guards - All-Round Stretchy Waistband**HUGGIES**£9.48**4.7★2,087 rev](https://www.amazon.co.uk/dp/B08125D1QT) [2**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**£6.66**4.5★526 rev](https://www.amazon.co.uk/dp/B0CC9L52CW) [3**Little Swimmers Swim Pants for Babies Size 5-6 (12-18 kg) 11 Swim Pants (Pack of 2)**Linenvale**£10.87**0.0★0 rev](https://www.amazon.co.uk/dp/B0G2TZ2ZNM) [4**Pampers Size 5 Splashers Swim Pants 10 Count CARRY PACK Do Not Swell In Water (14+ kg / 31 lbs)**Pampers**£7.65**4.6★3,810 rev](https://www.amazon.co.uk/dp/B0795S9W7M) [5**Swim Nappies Size 5-6 with Nappy Bags for Swim Nappy Little Swimmers Disposible Swimming Nappies for Babies (12-18kg) x 22 - Waterproof Nappies Great for Summer Indoor Outdoors Pools**Tilz**£11.88**5.0★2 rev](https://www.amazon.co.uk/dp/B0G6DP9DNT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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**£30.04**69 rev5mo ago](https://www.amazon.co.uk/dp/B0GJTBWHQW) [**Little Swimmers Swim Pants for Babies Size 5-6 (12-18 kg) 11 Swim Pants (Pack of 2)**Linenvale**£10.87**0 rev8mo ago](https://www.amazon.co.uk/dp/B0G2TZ2ZNM) [**Vicloon Swimming Nappy Reusable 2 Packs Baby Swim Nappy Comfortable Swim Nappies Adjustable Size Washable Nappy for Swimming Lessons/Holiday**Vicloon**£8.00**1,238 rev2y ago](https://www.amazon.co.uk/dp/B0B6BMQSGP) [**Little Angels Large Swim Pants 10 Pack**TRIZINGA**£9.87**26 rev2y ago](https://www.amazon.co.uk/dp/B0CZ9H6L8X) [**3Pcs Toddler Swim Diapers Reusable Infant Swim Pants Diaper for Newborn (XXL 15kg and above)**VGEBY**£10.66**1 rev2y ago](https://www.amazon.co.uk/dp/B0CKNCYP6K)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**£30.04**4.0★**▲ 104%**](https://www.amazon.co.uk/dp/B0GJTBWHQW) [**Wireless Earbuds 6-20-u-779**HUGGIES**£6.68**4.2★**▲ 75%**](https://www.amazon.co.uk/dp/B07SZ5689Z) [**Little Swimmers Swim Pants for Babies Size 5-6 (12-18 kg) 11 Swim Pants (Pack of 2)**Linenvale**£10.87**0.0★**▲ 57%**](https://www.amazon.co.uk/dp/B0G2TZ2ZNM) [**Swim Nappies Size 5-6 with Nappy Bags for Swim Nappy Little Swimmers Disposible Swimming Nappies for Babies (12-18kg) x 22 - Waterproof Nappies Great for Summer Indoor Outdoors Pools**Tilz**£11.88**5.0★**▲ 13%**](https://www.amazon.co.uk/dp/B0G6DP9DNT) [**Pampers Size 5 Splashers Swim Pants 10 Count CARRY PACK Do Not Swell In Water (14+ kg / 31 lbs)**Pampers**£7.65**4.6★**▲ 12%**](https://www.amazon.co.uk/dp/B0795S9W7M)
**~~View all trending →~~**
## **What buyers say about swim nappies size 5-6**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**24%
*“Does the job”*
**Size-Overall**19%
*“Fit well”*
**Protection**17%
*“They are good for protection”*
**Leak-Proof**14%
*“has worked effectively so far with no leaks”*
**Value For Money**10%
*“Good value for money”*
**Quality-Overall**8%
*“Good quality”*
**Soft Feel**4%
*“Soft, comfortable and no irritation”*
**Comfort-Overall**4%
*“comfortable”*
### **Top return reasons **
**Size-Overall**64%
**Quality-Overall**18%
**Water Resistance**9%
**Design-Overall**9%
## **Common questions**
- **Is swim nappies size 5-6 profitable to sell on Amazon United Kingdom?**
- The niche generates £152K/yr across 13 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +125.9%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the swim nappies size 5-6 niche?**
- 9 brands and 54 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 88% of demand.
- **When does demand for swim nappies size 5-6 peak?**
- Demand peaks in May–Jun–Jul–Aug; the busiest month runs 5.9× the quietest.
- **What does it cost to enter the swim nappies size 5-6 niche?**
- Listings span £3.43–£30.04; the average listing price is £9.89 (sweet spot $15–$100). The average incumbent carries 840 reviews — the moat a new listing must climb.
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