As part of their Deal of the Day, Overstock drops the Grommet Top Thermal Insulated 84-inch Blackout Curtain Panel Pair, from $64.98 to $49.98. With $1 shipping, that's the lowest price we've seen to date. Available in ten colors (beige pictured) these grommet top thermal-backed curtains boast the ability to reduce heating and cooling costs, block out outside light, and reduce noise. They are well reviewed with 4.7 out of 5 stars from over 290 buyers. There's no sales tax (except UT).