Guardhouse Shield Sleeves for Standard 2 1/2'' W x 3 1/2'' L trading cards. 2 mil ultra clear polypropylene Holds standard size trading cards O.D. 2 5/8'' W x 3 5/8'' L Fit inside 3'' x 4'' toploader card holders Polypropylene is an inert, archival quality, PVC-Free material Protects against dust and moisture during handling and storage Ideal for wallet sized school photos as well 100 sleeves per pack