Walmart has 18-Piece Mainstays Bath Collection Towel Set (Various Colors) on sale for $17.01. Shipping is free with Walmart+ (free trial) or on orders of $35 or extra.
Thanks to group member tunabreath for locating this deal.
Each set consists of:
4x 27″ x 52″ Bath Towels
4x 16″ x 26″ Hand Towels
10x 12″ x 12″ Wash Cloths