Cardboard Sleeves
FailShoppers spend an estimated $54K a year here, so Cardboard Sleeves is a Fail.
- Flapen Score
- 43 / 100Ranks 1,838 of 3,143 Toys & Games niches · −3 vs the category median of 4643
- Market size
- $54K/yr28K searches / yr
- 90-day growth
- -13.2%search demand this quarter
- Competition
- 74%top-5 click share · 8 brands · 16 sellers
Flapen Score
Cardboard Sleeves against its category
The dotted line is the Toys & Games average. Past it, Cardboard Sleeves is stronger. Inside it, weaker.
Market
The Cardboard Sleeves market on Amazon at a glance
Shoppers on Amazon United States searched for Cardboard Sleeves 28K times last year and spent an estimated $54K. The top 5 brands take 91% of clicks. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 8.7% of those searches ended in a purchase.
Shoppers searched for this 28K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 8.7% of those searches ended in a purchase. Searches in the last 90 days moved -13.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $54K a year.
- Searches, last 12 months
- 28K
- Growth, 90 days vs prior 90
- -13.2%
- Conversion, latest week
- 8.7%
- Market size, estimated
- $54Ka year
- Top search term
- hobby armor13K searches a year
02 · Price
A sale here is worth $21.82.
Listings sell for $21.82 on average, from $7.94 to $53.97. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 100 to 250 of them. At $21.82 that is $2K to $5K a year per listing.
- Average price
- $21.82inside the $15 to $100 sweet spot
- Price range
- $7.94–$53.97
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $2K–$5K
- Returns
- 0.9%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
62% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 5.1% of listings are out of stock. The average listing ranks #790 within Collectible Display & Storage. It carries 362 reviews at 4.63 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 62%
- Prime listings
- 100%
- Out of stock, average day
- 5.1%
- Average rank
- #790in Collectible Display & Storage
- Average rating
- 4.63 starsAmazon United States average 4.42 stars
- Average reviews
- 362per listing
- Listings tracked
- 13
04 · Newcomers
2 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 38 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 38 months
Products
Top Cardboard Sleeves products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 30, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
100 Pack Trading Card Shipping Protector by Hobby Armor 3.5 x 4.5 with Rounded Corners Vibrant Multi-Color Card Protector to Guard Cards From Dings Premium Lightweight Cardboard Shipping Supplies
- Price
- $16.42
- Rating
- 4.8/5
- Reviews
- 969
- Age
- 5y ago

100 Pack Graded Trading Card Shipping Protector by Hobby Armor 4 x 6 with Rounded Corners Vibrant Multi-Color Card Protector to Guard Cards from Dings Premium Cardboard Slab Shipping Supplies
- Price
- $19.81
- Rating
- 4.9/5
- Reviews
- 296
- Age
- 4y ago

Serwrsw 3x4.5 Card Protector Sleeves Cardboard 100 Pack White Collectible Trading Sports Card Protective Sleeves for Storage Shipping Shield
- Price
- $12.98
- Rating
- 3.9/5
- Reviews
- 43
- Age
- 10mo ago

120 Cardboard Sleeves Folded Flat Vending 3 x 4.5 Sports Card Folders Mail Shipping Stiffeners Insert
- Price
- $16.91
- Rating
- 4.4/5
- Reviews
- 291
- Age
- 9y ago

100 Pack Shell Mailer Trading Card Envelopes by Hobby Armor 7 x 4.35 Trading Card Mailers for Shipping Perfect Sized Shipping Envelope for Mailing Semi-Rigid and Toploaders Protector Supplies
- Price
- $27.43
- Rating
- 4.8/5
- Reviews
- 385
- Age
- 1y ago
Trending
estimated 90-day click momentum
ANSSDO 200 Packs Cardboard Sheets for Trading Cards Shipping Protectors
- Price
- $18.86
- Rating
- 4.5/5
- Reviews
- 236
- Age
- 4y ago

Serwrsw 3x4.5 Card Protector Sleeves Cardboard 100 Pack White Collectible Trading Sports Card Protective Sleeves for Storage Shipping Shield
- Price
- $12.98
- Rating
- 3.9/5
- Reviews
- 43
- Age
- 10mo ago

Golden State Art 3.5X4.5 Corrugated Sheet Trading Card Protector 50 Pack
- Price
- $9.98
- Rating
- 4.7/5
- Reviews
- 64
- Age
- 2y ago

25 Cardboard Sleeves Folded Flat Vending 3 x 4.5 Sports Card Folders Mail Shipping Stiffeners Insert
- Price
- $7.94
- Rating
- 4.7/5
- Reviews
- 188
- Age
- 9y ago

500 Pack Trading Card Shipping Protector by Hobby Armor 3.5 x 4.5 with Rounded Corners Vibrant Multi-Color Card Protector to Guard Cards From Dings Premium Lightweight Cardboard Shipping Supplies
- Price
- $53.97
- Rating
- 4.8/5
- Reviews
- 969
- Age
- 4y ago
Newest
by launch date
100 Pack Shell Mailer Incognito Trading Card Envelopes by Hobby Armor 7 x 4.35 Trading Card Mailers for Shipping Perfect Size Shipping Envelope for Mailing Cards in Semi-Rigid Holders & Toploaders
- Price
- $27.19
- Rating
- 4.8/5
- Reviews
- 148
- Age
- 8mo ago

Serwrsw 3x4.5 Card Protector Sleeves Cardboard 100 Pack White Collectible Trading Sports Card Protective Sleeves for Storage Shipping Shield
- Price
- $12.98
- Rating
- 3.9/5
- Reviews
- 43
- Age
- 10mo ago

100 Pack Shell Mailer Trading Card Envelopes by Hobby Armor 7 x 4.35 Trading Card Mailers for Shipping Perfect Sized Shipping Envelope for Mailing Semi-Rigid and Toploaders Protector Supplies
- Price
- $27.43
- Rating
- 4.8/5
- Reviews
- 385
- Age
- 1y ago

Golden State Art 3.5X4.5 Corrugated Sheet Trading Card Protector 50 Pack
- Price
- $9.98
- Rating
- 4.7/5
- Reviews
- 64
- Age
- 2y ago

Trading Card Shipping Protectors - Premium Ultra Strong Plastic Inserts - 110 Pack - 3.5 x 4.5
- Price
- $17.03
- Rating
- 4.9/5
- Reviews
- 785
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 74% of clicks. A locked shelf that new listings rarely crack.
Brands
8 falling
Sellers
16
Est. top-5 brand share
91%
Top 20: 100%
Est. top-5 click share
74%
Top 20: 100%
Open market
5%
- Hobby Armor66%
- Serwrsw9%
- ChicRosa7%
- ANSSDO6%
- Cardboard Sleeves4%
- VENOAL4%
- Open — no brand owns it (2 brands, 5%)
Demand
Cardboard Sleeves search demand
Weekly searches over the year. Pick a range.
Search terms
Top Cardboard Sleeves search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- hobby armor13K/yr
- cardboard card protector7K/yr
- cardboard sleeves7K/yr
- hobby armor card shipping protectors2K/yr
Reviews and returns
What reviews say buyers love and hate about Cardboard Sleeves
We read the reviews and the return reasons for every product selling here.
“Too Thick”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Cardboard Sleeves questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data








