"Clear front & Smoke back. Semi-transparent coloration conceals details on your cardback while retaining full readability. Perfect Fit Sideloaders provide improved card protection. These inner sleeves protect the tops and bottoms of your cards and fit snugly inside all Standard Size Dragon Shields. Perfect Fit Sideloader are easy to double-sleeve. PVC-free polypropylene sleeves, no acid. Archival safe. 50 μm quality thickness. For cards measuring up to 63x88 mm's (2½""x3½"")."