Clear front & Clear back. No nonsense card protection. Japanese Size Classic 60 box is our newest line of Classic sleeves. It is replacing the Mini Classic bags of 50. 60 sleeves per box. For cards measuring up to 59â86 mm (25/16â³x33/8â³). PVC-free polypropylene sleeves, no acid. Archival safe. 120 Î¼ quality thickness. Sturdy cardboard box fits 40 sleeved cards. Every box has a label for your personal use.