---
title: "Graded Card Storage Box — $2.2M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/toys-games/graded-card-storage-box"
last_updated: "2026-08-08T17:20:46.370Z"
locale: en
meta:
description: "Niche score 62/100 · $2.2M/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 62/100 · $2.2M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Graded Card Storage Box — $2.2M/yr Amazon US Niche (2026) - Flapen"
---
# **graded card storage box**
**Worth a look**
Shows a $2.2M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 95Growth 22Conversion 41Competition 62Returns 78Price range 92Avg price 95Brand share 82Review moat 72Quality gap 24
**Market size**
**Incredible****$2.2M**
$2.2M/yr · 1.5M searches
**Avg price**
**Incredible****$43.43**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.09–$89.29**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Great****53%**
top-5 brand share — no brand owns this niche
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Review moat**
**Good****611.92**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****48%**
top-5 click share — leaders hold, buyers still browse
**Conversion**
**Okay****3.3%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-6.7%**
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%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, graded card storage box is a $2.2M/yr Amazon United States market (1.5M searches/yr). The top 5 brands hold 53% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 62/100.
Data updated Jul 30, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **graded card storage box market data**
- **Units sold / yr**
- **40K–50K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$1.7M–$2.2M**
- units × avg price
- **Conversion rate**
- **3.3%**
- **Avg BSR**
- **#215**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **95%**
- **Out of stock**
- **1.4%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **155 days**
## **Competition & brand share**
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**30 **▲rising
**Sellers**
**39**
**Top-5 brand share**
**53%**
Top 20: 91%
**Top-5 click share**
**48%**
Top 20: 84%
**Open market**
**41%**
- KAGSWAMO14% - INCHOICASES12% - HOSOCASE11% - OUUTMEE9% - OEODAJ7% - HZGXQN6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -6.7% search growth over the last 90 days.
35K25KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul · busiest ÷ quietest = 1.8×
[**Open Trend **](https://flapen.com/research/us/toys-games/graded-card-storage-box/trend)
## **Top graded card storage box search terms**
- **graded card case**208K/yr+1.4%1.9% conv. - **slab case**160K/yr+15.0%2.4% conv. - **psa slab case**144K/yr-8.0%2.2% conv. - **sports card case**136K/yr-12.6%2.6% conv. - **card cases for sports cards**100K/yr-8.7%3.0% conv. - **trading card case**107K/yr-10.8%2.0% conv. - **zion card case**70K/yr-17.4%0.8% conv. - **graded card storage box**121K/yr-32.6%1.9% conv. - **card cases**57K/yr-10.5%1.4% conv. - **zion case**48K/yr+11.8%0.4% conv. [**All search terms **](https://flapen.com/research/us/toys-games/graded-card-storage-box/search-terms)
## **Top graded card storage box products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$86K8%$173K12%$259K16%$346K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**KAGSWAMO Graded Card Storage Box Holds 60+ PSA Slab Card Case for Graded Cards Sports Cards Baseball Trading Card Case Holder Fits PSA CSG BGS and Top Loaders**KAGSWAMO**$36.37**4.7★415 rev](https://www.amazon.com/dp/B0D66PFDK3) [2**Card Cases for Sport Trading Graded Card Holder IP67 Waterproof Storage Box**INCHOICASES**$34.62**4.5★211 rev](https://www.amazon.com/dp/B0F47RWG8K) [3**Graded Card Case Storage Box: Trading Card Storage Box with 9 Dividers**HOSOCASE**$53.52**4.6★274 rev](https://www.amazon.com/dp/B0DM5ZJMKF) [4**OEODAJ Top Loader Storage Box Trading Card Case for Sports Cards Fits 3 x 4 35PT Hard Sleeves with 18 Color Separators & 6 Foam Dividers Card Box Holders 610+ Top Loaders 140+ Magnetic Holder**OEODAJ**$37.75**4.7★270 rev](https://www.amazon.com/dp/B0FNCQ67QF) [5**OUUTMEE Graded Card Case - Aluminum Alloy Graded Card Storage Box Compatible with 40 Card Slabs Sports Trading Card Case Fits PSA CSG BGS**OUUTMEE**$29.42**4.4★358 rev](https://www.amazon.com/dp/B0DQ6XTT4P)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Graded Card Case Storage Box - PSA Slab Card Box for Graded Sports & Baseball Card with 9 Dividers - Trading Card Storage Holder for PSA | CSG | BGS & Toploaders - Home & Show Display for Safe Storage**LUGECASE**$55.14**31 rev2mo ago](https://www.amazon.com/dp/B0GV7D417X) [**Graded Card Storage Box Graded Card Case for PSA BGS CGC SGC Slabs Sports Card Storage Box for Baseball Trading Cards Top Loaders & One-Touch Holders IP67 Waterproof Hard Case with 2 Dividers**Betschkim**$32.93**169 rev3mo ago](https://www.amazon.com/dp/B0GXXP4XH1) [**EcoVibe Graded Card Case Aluminum Alloy Trading Card Storage Box with Carry Handle Sports Card Case Holders with Dividers Graded Card Storage Boxes Fits Psa TCG Csg BGS SGC Slabs**EcoVibe**$28.14**168 rev8mo ago](https://www.amazon.com/dp/B0F92Q72WW) [**OEODAJ Top Loader Storage Box Trading Card Case for Sports Cards Fits 3 x 4 35PT Hard Sleeves with 18 Color Separators & 6 Foam Dividers Card Box Holders 610+ Top Loaders 140+ Magnetic Holder**OEODAJ**$37.75**270 rev11mo ago](https://www.amazon.com/dp/B0FNCQ67QF) [**Graded Card Case Storage Box: Trading Card Storage Box with 12 Dividers**HOSOCASE**$66.99**106 rev1y ago](https://www.amazon.com/dp/B0F7XTW1BT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Graded Card Storage Box Graded Card Case for PSA BGS CGC SGC Slabs Sports Card Storage Box for Baseball Trading Cards Top Loaders & One-Touch Holders IP67 Waterproof Hard Case with 2 Dividers**Betschkim**$32.93**4.6★**▲ 262%**](https://www.amazon.com/dp/B0GXXP4XH1) [**Graded Card Case Storage Box - PSA Slab Card Box for Graded Sports & Baseball Card with 9 Dividers - Trading Card Storage Holder for PSA | CSG | BGS & Toploaders - Home & Show Display for Safe Storage**LUGECASE**$55.14**4.7★**▲ 259%**](https://www.amazon.com/dp/B0GV7D417X) [**ZALVEX Wallet for Men Mens Minimalist Wallet 9-13 Cards Slim Compact Wallet with Money Clip & ID Window RFID Blocking Smart Pop Up Card Wallet Metal Aluminum Credit Card Holder Bifold Wallet**ZALVEX**$27.94**4.5★**▲ 137%**](https://www.amazon.com/dp/B0DCRZ5P2H) [**Graded Card Case Storage Box: Trading Card Storage Box with 12 Dividers**HOSOCASE**$66.99**4.6★**▲ 135%**](https://www.amazon.com/dp/B0F7XTW1BT) [**OEODAJ Top Loader Storage Box Trading Card Case for Sports Cards Fits 3 x 4 35PT Hard Sleeves with 18 Color Separators & 6 Foam Dividers Card Box Holders 610+ Top Loaders 140+ Magnetic Holder**OEODAJ**$37.75**4.7★**▲ 114%**](https://www.amazon.com/dp/B0FNCQ67QF)
**~~View all trending →~~**
## **What buyers say about graded card storage box**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“Solid quality”*
**Value For Money**13%
*“Great case for the price”*
**Advertised Vs Actual Product**8%
*“As Described”*
**Storage Capacity**7%
*“Good storage”*
**Strength**6%
*“Sturdy case”*
**Size-Overall**5%
*“Great box size”*
**Durability**5%
*“Nice and durable”*
**Collectibles**5%
*“a useful addition for collectors”*
**Ease Of Use**4%
*“Easy to use”*
**Design-Overall**3%
*“Awesome sleek look”*
### **What buyers complain about **
**Size-Overall**13%
*“Very big”*
**Quality-Overall**13%
*“Poor quality control”*
**Durability**9%
*“Already falling apart”*
**Advertised Vs Actual Product**5%
*“FALSE ADVERTISING”*
**Weight Heavy**4%
*“Very heavy”*
**Magnetic Strength/Adsorption**3%
*“One was missing a magnet”*
**Value For Money**3%
*“Waste of money”*
**Locking Mechanism**3%
*“Do not buy if you need anything secured”*
**Thickness**3%
*“not as thick as other comparable boxes”*
**Defective Material/Parts**2%
*“At least one of the card holders arrived broken”*
### **Top return reasons **
**Size-Overall**42%
**Weight Heavy**11%
**Advertised Vs Actual Product**7%
**Functionality-Overall**4%
**Quality-Overall**4%
**Defective Material/Parts**3%
**Storage Capacity**3%
**Value For Money**2%
**Pockets/Compartments**2%
**Material Quality**2%
## **Common questions**
- **Is graded card storage box profitable to sell on Amazon United States?**
- The niche generates $2.2M/yr across 37 tracked products. 7 of 8 products launched in the last 360 days are still selling. 90-day search growth is -6.7%. Flapen's verdict: Worth a look (62/100).
- **How competitive is the graded card storage box niche?**
- 30 brands and 39 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 53% of demand.
- **What do buyers complain about in graded card storage box?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 1.8%.
- **When does demand for graded card storage box peak?**
- Demand peaks in Jun–Jul; the busiest month runs 1.8× the quietest.
- **What does it cost to enter the graded card storage box niche?**
- Listings span $12.09–$89.29; the average listing price is $43.43 (sweet spot $15–$100). The average incumbent carries 612 reviews — the moat a new listing must climb.
## **Related niches in Toys & Games**
- 70 [**halloween crafts**](https://flapen.com/research/us/toys-games/halloween-crafts)$317K/yr+407.7%**Worth a look**- 70 [**trading card storage box**](https://flapen.com/research/us/toys-games/trading-card-storage-box)$2.5M/yr-4.0%**Worth a look**- 70 [**camping crafts**](https://flapen.com/research/us/toys-games/camping-crafts)$32K/yr+333.8%**Worth a look**- 70 [**fathers day crafts for kids**](https://flapen.com/research/us/toys-games/fathers-day-crafts-for-kids)$72K/yr>1,000%**Worth a look**- 70 [**top loader storage**](https://flapen.com/research/us/toys-games/top-loader-storage)$1.3M/yr+5.4%**Launch it**- 70 [**kpop dolls**](https://flapen.com/research/us/toys-games/kpop-dolls)$3.4M/yr-14.9%**Worth a look**[**All Toys & Games niches **](https://flapen.com/research/us/toys-games)