Pig Tea Towel with "Oh Lard" These “tea towels” or “flour sack kitchen towels” are great for the kitchen. You can hang them on your stove or refrigerator to look decorative, but they also are great "cup towels" to clean up messes in your kitchen.. The flour sack towel history links back to flour sacks used in mills in the 1930's. They are 100% premium cotton flour sack towels. They are oversized (24 x 38) and make wonderful gifts.