Using these Casey cotton flat sheets is a breeze. Just put them on your double bed and enjoy a comfortable sleep. When it comes to washing, you can use a regular cycle in your washing machine with mild detergent. Avoid using bleach as it may damage the fabric. For drying, you can either tumble dry on a low setting or hang them to dry. To keep them looking their best, iron on a medium - low heat if needed. With proper care, these sheets will last you a long time and continue to provide you with a great sleeping experience.