Using these Casey Cotton Fitted Sheet and Pillowcase Combos is easy. Just put the fitted sheet on your bed following the tags for the correct orientation, and then place the pillowcases on your pillows. When it comes to maintenance, you can machine - wash them in cold or warm water. Use a mild detergent to keep the fabric in good condition. Avoid using bleach as it might damage the cotton. After washing, tumble dry on a low setting. This will help maintain the durability of the sheets and keep them looking great for a long time. Also, make sure to iron them on a medium - low heat if needed to keep them smooth and fresh.