what dimensions of index card
1-16 of 3,710 results for large index cards. 1  Oxford Blank Index Cards, 5 x 8, White, 100/Pack (50) by Oxford. 2  Oxford Ruled Index Cards, 5 x 8, White, 100/Pack (51) by Oxford. 3  Oxford Index Cards, 5 x 8, Blank, White, 300/Pack (10005EE) by Oxford. 4  Index Cards 5 x 8 Blue/Salmon/Green/Cherry/Canary 100/Pack.