Amazon offers Prime members the C-Line Reusable 9" x 12" Dry Erase Pocket 10-Pack in assorted neon colors, model no. 40810, for $9.29 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.75.) That's the lowest total price we could find for this quantity in any color by $6. These pockets work with all 8-1/2" x 11" paper.
Note: This item is expected to ship within two to five weeks