Using these Casey cotton sheet sets is a breeze. Just put the fitted sheet on your double bed with the 60cm size, making sure to use the tags on the sides to get it right. Then add the flat sheet and pillowcases. For the best results, wash them in cold or warm water on a gentle cycle. Avoid using harsh detergents or bleach as they can damage the high - quality cotton. After washing, tumble dry on low heat. This will help maintain the softness and durability of the sheets. If you notice any stains, spot - clean them as soon as possible. With proper care, these sheets will provide you with many nights of comfortable sleep.