Precise Fit Sleeves (100) Additional protection Interior card sleeves; Fit perfectly into ULTIMATE GUARD sleeves for maximum "sleeve in sleeve"-protection Precision card fit High-precision manufacturing process to ensure accurate results for your cards' "second skin" Extra clear polypropylene Made of high-quality polypropylene, the industry standard for clearness and usability of card sleeves 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