Using these Casey Cotton Fitted Sheet and Pillowcase Combos is a breeze. Just put the fitted sheet on your Super King 60cm bed, using the tags to make sure it's in the right position. Then place the pillowcases on your pillows. For best results, wash them in cold or warm water on a gentle cycle. Avoid using harsh detergents or bleach as they may damage the high - quality cotton. After washing, tumble dry on low heat. This will help maintain the softness and durability of the fabric. With proper care, these sheets will serve you well for a long time and keep you sleeping comfortably every night.