A flat sheet is a simple, rectangular piece of fabric that is used as part of a bedding set. Unlike fitted sheets, which have elasticized corners to hug the mattress, flat sheets are not designed to tuck around the edges of the mattress. They are typically placed on top of the fitted sheet or directly on the bed as a lightweight covering. Flat sheets are versatile and can be used in a... https://britdecor.uk/collections/flat-sheets