https://mobirise.com/

KNOXCARD is a smart minimalist wallet and a credit card organizer.
With its weight of 17 gram and size of 89 x 55 mm it fits almost every pocket and yet can accommodate up to 16 cards and several notes.
May be used as a secondary travel wallet or to store loyalty cards.
Durable carbon fiber blocks RFID signal and reduces a risk of an unauthorized data access.