(30) 12" Record Divider Cards - FULL CUT - Black, 30mil - 12" x 14 1/4" - #12NS14BK30 Reusable - Simply flip over or turn upside down! Easy to label with a permanent marker or affixing a label. You can even turn them upside down & reuse! 30mil Thick 12" x 14-1/4" They're durable, and feature rounded corners to prevent jabbing yourself!