---
title: "Reviews — waterproof mattress protector small double - Flapen"
canonical_url: "https://flapen.com/research/uk/home-garden/waterproof-mattress-protector-small-double/reviews"
last_updated: "2026-07-31T21:10:12.959Z"
locale: en
meta:
  description: "Niche score 38/100 · £51K/yr market · 33K searches/yr · £9.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 38/100 · £51K/yr market · 33K searches/yr · £9.57 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Reviews — waterproof mattress protector small double - Flapen"
---

# **waterproof mattress protector small double**

**Skip it**

Prices mostly outside the sweet spot ($5.81–$14.74) — this niche doesn't clear our bar today.

Market size 13Growth 18Conversion 98Competition 33Returns 96Price range 0Avg price 30Brand share 30Review moat 18Quality gap 35

**Conversion**

**Incredible****16.3%**

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

**Returns**

**Incredible****0.8%**

return rate — above 5% kills the launch gate

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Competition**

**Okay****65%**

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

**Brand share**

**Okay****87%**

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

**Avg price**

**Okay****£9.57**

avg listing price — sweet spot $15–$100

**Growth**

**Bad****-14.9%**

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

**Review moat**

**Bad****17,200.73**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Bad****£51K**

£51K/yr · 33K searches

**Price range**

**Bad****£5.81–£14.74**

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