4 Pieces Sheet Set contains 1 Flat Sheet, 1 Fitted Sheet and 2 Pillow Cases.A Flat Sheet goes on the top of the Fitted Sheet and is tucked between the mattress and the box spring at the foot of the bed. The Flat Sheet is placed on the bed upside-down so that when the bed is made open the decorative finishing of the Sheet. The purpose of Flat Sheet is to protect the mattress and make smooth surface for lying. The Flat Sheet, also called the top Sheet.A Fitted Sheet also known as bottom sheet and serve as a barrier to protect the mattress with finish looks and calm sleep overnight. This bottom sheet has elastic around for perfect fit. The elastic allows the sheet to hug the corners of your mattress so while you are naturally moving during slumber it keep the snug fit over the mattress, the sheet does not detach itself from the mattress. It is easy to remove the fitted sheet while cleaning.A Pillow Cases is what you sleep on. Pillow cases, commonly part of your sheet set, are designed as a functional and decorative covering. Pillow covers are easy to remove and wash. Pillow covers extend the life of a pillow by protecting against wear and tear.This Sheet Set made by Egyptian cotton 600TC. It can be made longer to create very fine yarns which make it possible to make yarns without sacrificing the length, giving stronger and softer cotton, unlike regular cotton which has more splices. It will give you a Better Night's Sleep. We can able to Breathe Easy.