Bed covers are items used to cover beds, such as SHEETS, quilts, SPREADS, LINEN, and pjs. SPREADS are a type of bed cover that is usually made of lightweight material and is used to add color and texture to a bed. Quilts are a type of bed cover that is usually made of two layers of fabric with a layer of batting in between. SHEETS are a type of bed cover that is usually made of cotton or other fabrics and is used to cover the mattress. LINEN is a type of bed cover that is usually made of natural fibers and is known for its durability and breathability. Pjs are a type of bed cover that is usually made of lightweight fabric and is used to keep the body warm while sleeping.