---
title: "Search terms — waterproof mattress protector super king - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/waterproof-mattress-protector-super-king/search-terms"
last_updated: "2026-07-31T18:53:17.464Z"
locale: en
meta:
  description: "Niche score 43/100 · £44K/yr market · 35K searches/yr · £12.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 43/100 · £44K/yr market · 35K searches/yr · £12.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Search terms — waterproof mattress protector super king - Flapen"
---

# **waterproof mattress protector super king**

**Skip it**

A small market ($44K/yr) — this niche doesn't clear our bar today.

Market size 11Growth 17Conversion 88Competition 43Returns 96Price range 58Avg price 51Brand share 35Review moat 17Quality gap 42

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****10.3%**

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

**Price range**

**Good****£6.80–£26.32**

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

**Avg price**

**Good****£12.08**

avg listing price — sweet spot $15–$100

**Competition**

**Okay****59%**

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

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Brand share**

**Okay****84%**

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

**Growth**

**Bad****-15.7%**

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

**Review moat**

**Bad****18,399.32**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****£44K**

£44K/yr · 35K searches