Using these Casey cotton fitted sheets is a breeze. First, make sure your mattress is clean. Then, simply fit the sheet over the mattress, using the tags to guide you for a proper fit. When it comes to washing, you can machine - wash them in cold or warm water with a gentle detergent. Avoid using bleach as it can damage the fabric. After washing, tumble dry on a low - heat setting. To keep them looking and feeling great, don't over - dry. These sheets are designed to last, so with proper care, you'll enjoy their comfort for a long time.