Bank cards are not pictures, and they are not measured by pixels.

bank card size:

generally speaking, the size of a bank card is 85.6mm in length and 53.98mm in width. The whole length-width ratio is 4: 3. :

Bank card refers to a credit payment tool that is approved by commercial banks (including postal financial institutions) and has all or part of the functions of consumer credit, transfer settlement, cash deposit and withdrawal, etc. Bank card reduces the circulation of cash and checks, which makes the banking business break through the limitation of time and space and undergo fundamental changes. The application of bank card automatic settlement system will make a "no check, no cash society" become a reality.

Credit cards are divided into credit cards and quasi-credit cards. Credit card refers to a credit card in which the issuing bank gives the cardholder a certain credit line, and the cardholder can spend first and then repay. Quasi-credit card refers to a credit card in which the cardholder first deposits a certain amount of reserve fund according to the requirements of the bank, and when the reserve fund is insufficient to pay, it can be overdrawn within the credit limit stipulated by the issuing bank.