Using these Casey Cotton Fitted Sheets is a breeze. Just put them on your Super King bed with 60cm depth, making sure to align the tags on each side for a perfect fit. For a good night's sleep, simply lie down and enjoy the comfort. When it comes to washing, you can use a regular washing machine. Use a gentle cycle with mild detergent to keep the fabric in top condition. Avoid using bleach as it may damage the cotton. After washing, tumble dry on a low setting. These sheets are durable, but try not to over - stretch them when putting them on or taking them off the bed. With proper care, they'll serve you well for a long time.