Using these Casey cotton sheet sets is easy. First, lay the flat sheet over your mattress, then place the fitted sheet with the tags on the corners of the mattress for a perfect fit. The pillowcases can be slipped over your pillows. When it comes to maintenance, you can machine - wash these sheets in cold or warm water. Use a gentle cycle to keep the fabric in good shape. Avoid using harsh detergents as they might damage the high - quality cotton. After washing, tumble dry on low heat. These sheets are durable, but it's best to follow these steps to ensure they last through many nights of restful sleep.