graded card case
Worth a lookShows low returns (0.9%), but a small market ($61K/yr) keeps it on the watch list.
Returns
Incredible0.9%return rate — above 5% kills the launch gate
Avg price
Incredible£26.09avg listing price — sweet spot $15–$100
Review moat
Great193.09avg incumbent reviews — the moat a new listing must climb
Price range
Great£7.91–£46.12cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good63%top-5 brand share — brands hold most of the demand
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Growth
Bad-17.3%90-day search growth — must beat 0% to launch
Market size
Bad£61K£61K/yr · 114K searches
According to Flapen's Amazon United Kingdom niche tracking, graded card case is a £61K/yr Amazon United Kingdom market (114K searches/yr). The top 5 brands hold 63% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
graded card case market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- £52K–£65K
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #159
- Page quality
- 0%
- Prime
- 85%
- Sponsored
- 85%
- Out of stock
- 13.7%
- Avg brand age
- 25 months
- Avg seller age
- 218 days
Competition & brand share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.Brands
22 rising
Sellers
56
Top-5 brand share
63%
Top 20: 98%
Top-5 click share
51%
Top 20: 87%
Open market
33%
- FREEAMG22%
- LN COZY CORNER18%
- FunGuys10%
- Bheddi9%
- AKOZLIN5%
- MIXPOET5%
Demand
Weekly Amazon search volume, last 44 weeks — -17.3% search growth over the last 90 days.Top graded card case search terms
- graded card storage37K/yr
- slab case16K/yr
- graded card case15K/yr
- pokemon slab case10K/yr
- trading card case10K/yr
- psa slab case10K/yr
- pokemon slab storage4K/yr
- graded card storage box5K/yr
- graded card box4K/yr
- psa card holder3K/yr
Top graded card case 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
LN COZY CORNER Graded Card Storage Box Trading Card Storage Box Portable Card Holder for PSA BGS SGC CSG Slabs Top Loaders and Sports/MTG Trading Cards (Black 25x24x16cm)
LN COZY CORNER£16.634.3★30 rev
FREEAMG Graded Cards Storage Box Compatible with 40 Cards Slabs(2 Row)
FREEAMG£28.374.2★36 rev
Bheddi Graded Card Storage Box - Sports Trading Card Slab Case Compatible with PSA CSG BGS SGC Magnetic Card Holder & Top Loaders Waterproof Boxes - 2 Custom Graded Cards Case Compartments
Bheddi£31.504.7★287 rev
FREEAMG Graded Cards Storage Box Compatible with 100 Cards Slabs(3 Row)
FREEAMG£34.714.2★36 rev
FunGuys Graded Card Storage Box Trading Card Case for PSA Graded Cards Sports Card Storage Boxes as PSA Card Holder Baseball Card Case Slab Case Sports Card Case PSA Card Case Graded Card Case
FunGuys£29.694.7★821 rev
Newest
by launch date
evergoods Graded Cards Storage Box Aluminum Alloy Sports Trading Card Box
evergoods£13.302 rev
Graded Card Storage Box for PSA BGS Slabs Holds 40 Slabs or 150 Top Loaders
PHYRLRDOW£31.8410 rev
LN COZY CORNER Graded Card Storage Box Trading Card Storage Box Portable Card Holder for PSA BGS SGC CSG Slabs Top Loaders and Sports/MTG Trading Cards (Black 25x24x16cm)
LN COZY CORNER£16.6330 rev
LN COZY CORNER Graded Card Storage Box Trading Card Storage Box Portable Card Holder for PSA BGS SGC CSG Slabs Top Loaders and Sports/MTG Trading Cards (Black 38x30x15cm)
LN COZY CORNER£19.7330 rev
iDiskk Graded Card Storage Box:trading card storage Box Top Loaders Storage Box PSA card slab case for Sports Cards & Trading Cards
iDiskk£31.6741 rev
Trending
90-day click momentumevergoods Graded Cards Storage Box Aluminum Alloy Sports Trading Card Box
evergoods£13.305.0★
Graded Card Storage Box for PSA BGS Slabs Holds 40 Slabs or 150 Top Loaders
PHYRLRDOW£31.844.3★
FREEAMG Graded Cards Storage Box Compatible with 150 Cards Slabs(4 Row)
FREEAMG£40.954.2★
SOONHUA Graded Card Storage Box PSA Card Case with Combination Lock
SOONHUA£27.285.0★
FREEAMG Graded Cards Storage Box Compatible with 100 Cards Slabs(3 Row)
FREEAMG£34.714.2★
What buyers say about graded card case
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality”
“Very sturdy”
“is a good storage option overall”
“easy to use”
“also still fitting in the case”
“The magnet holds well enough”
“great for card collectors, bought it for my sons pokemon cards, large storage capacity, fits wells, durable and secure good value for money to protect cards”
“good price”
“It provides a much safer”
“feels durable”
What buyers complain about
“Poor Quality”
“which is indeed quite large”
“Locks wouldn't work”
“Item not as described”
“Ok. Some of the magnets have come loose already so do not stay shut properly”
“Far too big to actually properly hold 35PT magnetic card holders”
“Slightly more pricey”
“Doesnt display cards well”
“Broke within 12hours”
“Case Slips Off Easily”
Top return reasons
Common questions
- Is graded card case profitable to sell on Amazon United Kingdom?
- The niche generates £61K/yr across 33 tracked products. 0 of 14 products launched in the last 360 days are still selling. 90-day search growth is -17.3%. Flapen's verdict: Worth a look (51/100).
- How competitive is the graded card case niche?
- 22 brands and 56 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 63% of demand.
- What do buyers complain about in graded card case?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Locking Mechanism. The return rate is 0.9%.
- What does it cost to enter the graded card case niche?
- Listings span £7.91–£46.12; the average listing price is £26.09 (sweet spot $15–$100). The average incumbent carries 193 reviews — the moat a new listing must climb.