---
title: "Products — 63.5 x 88mm card sleeves - Flapen"
canonical_url: "https://flapen.com/research/us/toys-games/63-5-x-88mm-card-sleeves/products"
last_updated: "2026-08-06T22:47:56.594Z"
locale: en
meta:
  description: "Niche score 40/100 · $61K/yr market · 37K searches/yr · $12.70 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 40/100 · $61K/yr market · 37K searches/yr · $12.70 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Products — 63.5 x 88mm card sleeves - Flapen"
---

# **63.5 x 88mm card sleeves**

**Skip it**

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 15Growth 21Conversion 96Competition 24Returns 95Price range 66Avg price 56Brand share 0Review moat 54Quality gap 30

**Conversion**

**Incredible****13.1%**

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

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Price range**

**Good****$3.16–$38.16**

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

**Avg price**

**Good****$12.70**

avg listing price — sweet spot $15–$100

**Review moat**

**Good****1,320.33**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****71%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-8.1%**

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

**Market size**

**Bad****$61K**

$61K/yr · 37K searches

**Brand share**

**Bad****100%**

top-5 brand share — brand-locked demand

## Products