---
title: "Reviews — waterproof mattress - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/waterproof-mattress/reviews"
last_updated: "2026-08-09T16:16:55.653Z"
locale: en
meta:
  description: "Niche score 52/100 · $361K/yr market · 117K searches/yr. Prices mostly outside the sweet spot ($9.50–$430.20) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · $361K/yr market · 117K searches/yr. Prices mostly outside the sweet spot ($9.50–$430.20) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Reviews — waterproof mattress - Flapen"
---

# **waterproof mattress**

**Worth a look**

Shows low returns (1.4%), but prices mostly outside the sweet spot ($9.50–$430.20) keeps it on the watch list.

Market size 54Growth 27Conversion 26Competition 68Returns 86Price range 20Avg price 59Brand share 79Review moat 21Quality gap 53

**Returns**

**Great****1.4%**

return rate — above 5% kills the launch gate

**Brand share**

**Great****56%**

top-5 brand share — no brand owns this niche

**Competition**

**Good****44%**

top-5 click share — leaders hold, buyers still browse

**Avg price**

**Good****$147.72**

avg listing price — sweet spot $15–$100

**Market size**

**Good****$361K**

$361K/yr · 117K searches

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Growth**

**Okay****+1.3%**

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

**Conversion**

**Okay****2.1%**

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

**Review moat**

**Bad****10,476.53**

avg incumbent reviews — the moat a new listing must climb

**Price range**

**Bad****$9.50–$430.20**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")

## Reviews