"Clear front & metallic Silver back. Not like a gorilla, but like a robot. Opaque. Classic is the original Dragon Shield sleeve. Smooth with a glossy back and unparalleled seal strength. The sturdy cardboard box fits 75+ single sleeved cards or 65+ double sleeved cards. Every box has a label at the top of the box for personalization. PVC-free polypropylene sleeves, no acid. Archival safe. Classic 120 μm quality thickness. For cards measuring up to 63x88 mm's (2½""x3½"")."