Rank #5 of 5
Slimliang 4 Pack RFID Blocking Card review
A four-pack that leans on price alone.
$9.80
Price checked 2026-08-19; prices may change at the retailer.
Check price on AmazonTL;DR
Four cards for under ten dollars from an unbranded seller. The price is the argument.
Who it's for — and who should skip it
- ✓ Handing spares to family on the tightest budget
- ✗ Anyone who wants a company to answer an email when something fails
Specifications
| Brand | Slimliang |
|---|---|
| Pack size | 4 cards |
| Technology | Antenna plus jamming chip |
| Thickness | 0.03 in / 0.76 mm |
| Rating | 4.6 / 5 from 2,516 reviews |
| Price checked | $9.80 on 2026-08-19 |
Materials and build
Thin laminated cards, generic printing, no packaging to speak of.
First impressions
Exactly what four cards for under ten dollars looks like. They slide in, they are thin, and the listing suggests the same self-checkout verification test.
How it holds up in daily use
Fine for spreading a few cards around the household. It is not the card I would put next to a passport before an international trip.
The evidence behind the claims
Manufacturer describes an antenna and jamming chip and instructs buyers to verify at self-checkout. Price, rating and review count read from the Amazon product page on 2026-08-19.
Care and durability
None.
Price and guarantee
$9.80, no promotional discount shown. Amazon returns apply.
Alternatives
- #1 Cardian The Safe Card — Anyone who carries tap-to-pay cards, an ID and a passport
- #2 TICONN 4 Pack RFID Blocking Card — Testing the category on the smallest possible budget
- #3 VAULTCARD RFID Blocking Card — One wallet, one card, and no interest in bundles
- #4 SaiTech IT RFID Blocking Card — A throwaway backup card for a second wallet
Verdict
Cheap coverage with no safety net behind it.