Small card set with great use!The card sleeve can protect the magnetic stripe, which can protect the card from magnetization.The card sleeve can prevent magnetic card radiation;The card sleeve can prevent the card and other magnetic layer from grinding, wear, damage, fall off, effectively protect the magnetic layer;The sleeve can be waterproof;Card set can be placed membership card, id card, credit card, medical insurance card, social security card, bus card, shopping card, business card, etc.Finger marks, easy to remove.Exquisite design, portable, easy to find, easy to take out, is your best choice to store all kinds of CARDS!