As of this posting, Wal-Mart has Coleman 70 qt Xtreme Marine Cooler and 2 x 30 ounce double wall vacuum sealed tumblers from just $37.46.  Order online to reserve yours and select free in store pickup to skip delivery charges.  Check the site for up to the minute price and availability.

Coleman 70 qt Xtreme Marine Cooler with 2 Stainless Steel 30oz Tumblers Value Bundle

Check sale or product page for current availability & pricing