---
title: "Trend — diapers size 4 - Flapen"
canonical_url: "https://flapen.com/research/us/baby-products/diapers-size-4/trend"
last_updated: "2026-08-09T14:16:04.965Z"
locale: en
meta:
  description: "Niche score 53/100 · $21.9M/yr market · 4.0M searches/yr. A deep review moat (43,221 avg reviews) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 53/100 · $21.9M/yr market · 4.0M searches/yr. A deep review moat (43,221 avg reviews) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — diapers size 4 - Flapen"
---

# **diapers size 4**

**Worth a look**

Shows a $21.9M/yr market, but a deep review moat (43,221 avg reviews) keeps it on the watch list.

Market size 100Growth 27Conversion 97Competition 17Returns 97Price range 95Avg price 95Brand share 5Review moat 4Quality gap 24

**Market size**

**Incredible****$21.9M**

$21.9M/yr · 4.0M searches

**Conversion**

**Incredible****14.7%**

search→purchase rate — share of searches ending in a sale

**Returns**

**Incredible****0.6%**

return rate — above 5% kills the launch gate

**Avg price**

**Incredible****$37.10**

avg listing price — sweet spot $15–$100

**Price range**

**Incredible****$17.95–$64.31**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Growth**

**Okay****+1.6%**

90-day search growth — must beat 0% to launch

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****80%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****98%**

top-5 brand share — brand-locked demand

**Review moat**

**Bad****43,220.82**

avg incumbent reviews — the moat a new listing must climb

## Trend