---
title: "Trend — queen box spring 9 inch - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/queen-box-spring-9-inch/trend"
last_updated: "2026-08-10T09:03:19.582Z"
locale: en
meta:
  description: "Niche score 57/100 · $478K/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 57/100 · $478K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — queen box spring 9 inch - Flapen"
---

# **queen box spring 9 inch**

**Worth a look**

Shows no brand lock-in (top 5 brands take 54% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 59Growth 25Conversion 62Competition 55Returns 49Price range 64Avg price 79Brand share 81Review moat 42Quality gap 75

**Brand share**

**Great****54%**

top-5 brand share — no brand owns this niche

**Avg price**

**Great****$88.84**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.3★**

avg incumbent rating — lower means beatable quality

**Price range**

**Good****$57.31–$123.86**

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

**Conversion**

**Good****5.5%**

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

**Market size**

**Good****$478K**

$478K/yr · 98K searches

**Competition**

**Good****52%**

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

**Returns**

**Okay****3.1%**

return rate — above 5% kills the launch gate

**Review moat**

**Okay****2,264.14**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-0.9%**

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

**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")

## Trend