"Clear front & Clear back. Straight forward and un-obtrusive. Perfect Fit sleeves provide improved card protection. These inner sleeves fit closely over cards and fit inside all Standard Size Dragon Shields. Used by the professor himself, Dragon Shield perfect fits are his #1 pick for inner sleeves. Cards should be loaded into the perfect fit from the bottom and then slid into a regular sized sleeve to maximize protection. PVC-free polypropylene sleeves, no acid. Archival safe. 60 μm quality thickness. For cards measuring up to 63x88 mm's (2½""x3½""). "