You can use it. 1, the first-generation ID card has no electromagnetic information, and the second-generation ID card belongs to the RF induction card, which has a chip and a coil inside, so it is very airtight and will not be broken. 2. Bank cards are generally magnetic stripe cards, which are made of magnetic powder with high coercivity and will not be demagnetized after being soaked in water for a long time. To sum up, the ID card should be dried immediately in case of water and will not be damaged.