What is Cotton Made Of

 What is Cotton Made Of? A flat sheet is simply a rectangular sheet of cloth, while a fitted sheet has its four corners, and sometimes two or four sides, fitted with elastic, to be used only as a bottom sheet.  What is Cotton Made Of?   The purpose of a fitted bottom sheet is to keep it from slipping off the mattress while the bed is in use. A bed sheet is a rectangular piece of cloth used either singly or in a pair as bedding, being placed immediately below or above bed occupants .  A top sheet, in the many countries where they are used, is a flat sheet, immediately under which bed occupants lie. A bottom sheet is laid above the mattress and bed occupants lie on it. A bottom sheet may be either a flat sheet or a fitted sheet, which has been sewn to form a large pocket around the top, sides, and bottom edge of a mattress, with elastic or a drawstring in the hem to stop it from slipping off the bottom of the mattress. Blankets, quilts, duvets, comforters, and other be...