---
title: "Trend — waterproof mattress protector double - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/waterproof-mattress-protector-double/trend"
last_updated: "2026-07-31T21:39:21.605Z"
locale: en
meta:
  description: "Niche score 50/100 · £765K/yr market · 989K searches/yr. A deep review moat (21,431 avg reviews) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · £765K/yr market · 989K searches/yr. A deep review moat (21,431 avg reviews) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — waterproof mattress protector double - Flapen"
---

# **waterproof mattress protector double**

**Worth a look**

Shows low returns (0.7%), but a deep review moat (21,431 avg reviews) keeps it on the watch list.

Market size 71Growth 17Conversion 81Competition 50Returns 97Price range 30Avg price 25Brand share 40Review moat 16Quality gap 38

**Returns**

**Incredible****0.7%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****8.6%**

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

**Market size**

**Good****£765K**

£765K/yr · 989K searches

**Competition**

**Okay****55%**

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

**Brand share**

**Okay****81%**

top-5 brand share — brands hold most of the demand

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****£5.18–£19.18**

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

**Avg price**

**Okay****£9.04**

avg listing price — sweet spot $15–$100

**Growth**

**Bad****-15.8%**

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

**Review moat**

**Bad****21,430.68**

avg incumbent reviews — the moat a new listing must climb