Pottery Barn offers its Set of 2 Liza Embroidered Guest Towels in three colors (Twilight Blue pictured) bundled with free monogramming for $9.99 with free shipping. That's $9 off list and the lowest total price we could find. They measure 15" x 22".

Note that this item is marked as "final sale" and cannot be returned. Also it won't ship until November 30.