For the past hundred years, flour sack towels have remained the cooks, favorite choice for towels. Originally they were salvaged fabric from old flower or grain sacks. After the flower was used, the cotton sack was bleached, washed and trimmed. Overtime it became the flower sack towels. We know in love today. Flour sack towels are famous for their absorbency and softness. Machine wash, cold and gentle cycle no bleach, air dry or tumble dry with no heat iron from Rivera side to refresh color after washing.