Using these Casey Cotton flat sheets is easy. Just put them on your queen - sized bed, and you're ready for a great night's sleep. For best results, wash them in cold or warm water with a gentle detergent. Avoid using bleach as it can damage the fabric. When drying, you can use a low - heat setting in the dryer. If you prefer, you can also air - dry them. Iron on a low - heat setting if needed. These sheets are durable, but it's still a good idea to check for any loose threads from time to time and mend them promptly to keep the sheets in top condition.