Our plastic card protector can store, display your collectible trading cards like baseball cards, cartoon cards, basketball cards, football cards, hockey cards, and more. Magnetic design: the clear acrylic card protector is designed with a magnet on the top, making it easy and convenient for you to open or close the card protectors sleeves; The acrylic card box are designed with grooves on 4 corners respectively to ensure that the corners of the card will not be bent and protect your baseball card Useful function:The cards protector can card well from scratches, grease, and water ,Reduce dents and damage on the cards maximally and keep your cards intact.