---
title: "Trend — full size mattress memory foam 12 inch - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/full-size-mattress-memory-foam-12-inch/trend"
last_updated: "2026-08-11T05:27:02.328Z"
locale: en
meta:
  description: "Niche score 58/100 · $229K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 58/100 · $229K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — full size mattress memory foam 12 inch - Flapen"
---

# **full size mattress memory foam 12 inch**

**Worth a look**

Shows no brand lock-in (top 5 brands take 33% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 43Growth 23Conversion 45Competition 95Returns 95Price range 1Avg price 51Brand share 96Review moat 45Quality gap 55

**Brand share**

**Incredible****33%**

top-5 brand share — no brand owns this niche

**Competition**

**Incredible****20%**

top-5 click share — an open shelf

**Returns**

**Incredible****1.0%**

return rate — above 5% kills the launch gate

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Good****$172.98**

avg listing price — sweet spot $15–$100

**Conversion**

**Okay****3.6%**

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

**Review moat**

**Okay****1,977.17**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Okay****$229K**

$229K/yr · 37K searches

**Growth**

**Bad****-3.9%**

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

**Price range**

**Bad****$98.76–$295.17**

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%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")

## Trend