These are Polycarbonate Style ID Card Holder, where you slide your card in, the card size for these are a standard size credit card which is 86 x 54mm. They can only hold one card. These card holders can be printed on the back with a logo or company name. Please email your logo as a pdf or tiff to firstname.lastname@example.org?
FOR SINGLE COLOUR PRINTING OPTIONS PLEASE EMAIL US FOR CHEAPER PRICING