Ultimate Guard Precise Fit Sideload Sleeves (100 Pack) Side-Loading to Prevent inner sleeve from sliding back when inserting it in outer sleeve Additional protection Interior card sleeves. Fit perfectly into ULTIMATE GUARD sleeves for maximum &quot;sleeve in sleeve&quot;-protection Precision card fit High-precision manufacturing process to ensure accurate results for your cards' &quot;second skin&quot; High clearness The high clearness of the material ensures a genuine image quality with unaltered contrast and colors Acid free, No PVC This product is completely free of PVC and acidic materials and therefore ideal for collectible cards