Our product has a total of 6 card protectors and 6 lanyards with metal hooks, the size of the card protector is 4x3, unlike others we use higher quality materials to give this card protector a better waterproof, anti-deformation, dustproof function, better protection of your cards. The high quality material makes it more transparent and visible, so you can see your card clearly, which is perfect for classroom, family, school party, social event, and other multi-person places. We also come with 6 lanyards, so you travel, work and other scenes that require the use of your card more convenient, with these lanyards your card is absolutely not easy to lose, lanyards on the metal hook using a unique plating process, not rust, waterproof, long life, easy to use.