• Bed sheets come in two main varieties--flat or fitted

• A flat bed sheet is simply a rectangular sheet of cloth, while a fitted bed sheet has its four corners, and sometimes two or four sides, fitted with elastic, to be fond only as a basic sheet
• The desire of a fitted highest sheet is to keep it from slipping off the mattress while the bed is in use
• A particular way of folding and tucking while controlling the bed, familiar as "hospital corners," is sometimes familiar with when the bottom sheet is extended rather than fitted.

Usually a extended bed sheet is overlocked around the edges to form four seams. Uncommon of http://www.specialtylinens.com the seams is wider than the other three and helps with orienting the sheet correctly on the mattress. The wider seam goes at the head end of the mattress. Sometimes the sides do not have seams, but are finished with the selvedge only.