---
title: "Search terms — 21st birthday decorations for her - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/21st-birthday-decorations-for-her/search-terms"
last_updated: "2026-08-06T22:01:13.439Z"
locale: en
meta:
  description: "Niche score 63/100 · $1.8M/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 63/100 · $1.8M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Search terms — 21st birthday decorations for her - Flapen"
---

# **21st birthday decorations for her**

**Worth a look**

Shows no brand lock-in (top 5 brands take 28% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 92Growth 18Conversion 46Competition 88Returns 60Price range 73Avg price 63Brand share 96Review moat 67Quality gap 30

**Brand share**

**Incredible****28%**

top-5 brand share — no brand owns this niche

**Market size**

**Great****$1.8M**

$1.8M/yr · 3.6M searches

**Competition**

**Great****27%**

top-5 click share — an open shelf

**Price range**

**Good****$4.73–$42.81**

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

**Review moat**

**Good****813.69**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Good****$13.51**

avg listing price — sweet spot $15–$100

**Returns**

**Good****2.6%**

return rate — above 5% kills the launch gate

**Conversion**

**Okay****3.7%**

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

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-13.3%**

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%")

## Search terms