Cover on magnets. Rebro "implanted" small magnets. On the card, these magnets have no effect whatsoever. Pacemakers, too.. Molded transparent material to fit the thickness of the cover. Back pocket for business cards, ID cards, Passes. Inside, under the transparent plastic on the side of the coat of arms, you can put a contact pass for turnstiles, in the subway or at work. Sewn by hand, used for molding durable transparent material (pet sheet), according to a separate wish, I can make such a frame of transparent polycarbonate, it is even stronger. Back provided a place where I can, if necessary, put the owner's name, phone, motto, etc.
There is a variant of the black cover of the Ministry of internal Affairs www.livemaster.ru/item/33063286-sumki-i-aksessuary-oblozhka-udostovereniya-mvd-oblozhka-polit
Custom manufacturing of the same cover according to your size and picture.
Thank you for acquainted with the product, I will be glad to questions