Using these Casey cotton flat sheets is a breeze. Just put them on your king single bed as you would with any other sheets. For the best sleep experience, make sure the sheets are smooth and free of wrinkles. When it comes to washing, you can use a regular laundry detergent. Wash them in warm water and tumble dry on a low setting. Avoid using bleach as it may damage the fabric. To keep them in great condition, iron them on a medium - heat setting if needed. With proper care, these sheets will stay soft and durable for a long time.