Kolma Credit Card Holder – RFID Blocking, Double Layer, Black
The Kolma RFID Blocking Credit Card Holder is a compact double-layer card sleeve designed to protect contactless payment cards and ID documents from unauthorised scanning.
RFID blocking shell prevents wireless data theft from contactless cards
Double-layer construction provides extra durability and a snug fit for standard credit cards
Slim black design fits discreetly in any wallet or pocket
Holds multiple cards securely in a single compact sleeve
What makes the Kolma Credit Card Holder stand out
Unlike standard card sleeves, the Kolma holder integrates an RFID-blocking layer directly into the material, so protection is built in rather than added as a separate sleeve. The double-layer build adds structural rigidity without increasing bulk.
Ideal for...
Professionals who carry multiple contactless cards daily and want to safeguard their payment data in crowded environments such as public transport, conferences, or busy retail areas.
Application of the Kolma Credit Card Holder
Slide contactless credit cards and ID documents into the sleeve
Carry in a wallet, trouser pocket, or bag compartment
The RFID-blocking layer works passively — no battery or activation required
Kolma is a Swiss brand specialising in RFID-blocking accessories and card protection products. The brand focuses on slim, practical designs that integrate security features directly into everyday carry items such as card holders and document sleeves.
It protects contactless credit cards and ID documents from unauthorised RFID scanning by blocking wireless signals through its integrated shielding layer.
The double-layer design fits multiple standard credit cards or ID documents in a single compact sleeve, keeping them organised and protected.
No. The RFID blocking is a passive feature built into the sleeve material — no battery, charging, or activation is needed.
The holder is made of a durable synthetic shell with an integrated RFID-blocking layer. It is slim enough to fit in a standard wallet pocket.
Yes. It is designed to accommodate standard-size contactless credit cards and ID documents without interfering with their normal function.
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