A flat sheet (used on top) is a rectangular sheet, whereas a fitted sheet (used on bottom) has its corners, and sometimes sides, fitted with elastic. … Casper’s premium bed sheet sets will have you covered with both, literally. Find all you need with a set of sheets tailored to your preference.

What are fitted bed sheets?

Fitted bed sheets are a snug fit over your mattress to give a neat and comfortable layer. A fitted sheet has stretchy elastic bands sewed into the seam of the sheet material in each of its four corners. This will keep the bed sheet from moving or coming off during slumber.

What is non fitted bed sheet for?

Flat sheets are also referred to as the top sheets or non-fitted bed sheets. It is traditionally placed on top of the fitted sheets but is placed beneath the blankets and duvets. These are there for making the bed look more inviting. It will protect the blankets and the duvet covers from becoming dirty.